Initial import of modified Linux 2.6.28 tree

Original upstream URL:
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git | branch linux-2.6.28.y

1 files changed, 3141 insertions, 0 deletions

diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
new file mode 100644
index 0000000..eb91641
--- /dev/null
+++ b/sound/pci/hda/hda_codec.c
@@ -0,0 +1,3141 @@
+/*
+ * Universal Interface for Intel High Definition Audio Codec
+ *
+ * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
+ *
+ *
+ *  This driver is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This driver is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ */
+
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+#include <linux/pci.h>
+#include <linux/mutex.h>
+#include <sound/core.h>
+#include "hda_codec.h"
+#include <sound/asoundef.h>
+#include <sound/tlv.h>
+#include <sound/initval.h>
+#include "hda_local.h"
+#include <sound/hda_hwdep.h>
+#include "hda_patch.h"	/* codec presets */
+
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+/* define this option here to hide as static */
+static int power_save = CONFIG_SND_HDA_POWER_SAVE_DEFAULT;
+module_param(power_save, int, 0644);
+MODULE_PARM_DESC(power_save, "Automatic power-saving timeout "
+		 "(in second, 0 = disable).");
+#endif
+
+/*
+ * vendor / preset table
+ */
+
+struct hda_vendor_id {
+	unsigned int id;
+	const char *name;
+};
+
+/* codec vendor labels */
+static struct hda_vendor_id hda_vendor_ids[] = {
+	{ 0x1002, "ATI" },
+	{ 0x1057, "Motorola" },
+	{ 0x1095, "Silicon Image" },
+	{ 0x10ec, "Realtek" },
+	{ 0x1106, "VIA" },
+	{ 0x111d, "IDT" },
+	{ 0x11c1, "LSI" },
+	{ 0x11d4, "Analog Devices" },
+	{ 0x13f6, "C-Media" },
+	{ 0x14f1, "Conexant" },
+	{ 0x17e8, "Chrontel" },
+	{ 0x1854, "LG" },
+	{ 0x1aec, "Wolfson Microelectronics" },
+	{ 0x434d, "C-Media" },
+	{ 0x8384, "SigmaTel" },
+	{} /* terminator */
+};
+
+static const struct hda_codec_preset *hda_preset_tables[] = {
+#ifdef CONFIG_SND_HDA_CODEC_REALTEK
+	snd_hda_preset_realtek,
+#endif
+#ifdef CONFIG_SND_HDA_CODEC_CMEDIA
+	snd_hda_preset_cmedia,
+#endif
+#ifdef CONFIG_SND_HDA_CODEC_ANALOG
+	snd_hda_preset_analog,
+#endif
+#ifdef CONFIG_SND_HDA_CODEC_SIGMATEL
+	snd_hda_preset_sigmatel,
+#endif
+#ifdef CONFIG_SND_HDA_CODEC_SI3054
+	snd_hda_preset_si3054,
+#endif
+#ifdef CONFIG_SND_HDA_CODEC_ATIHDMI
+	snd_hda_preset_atihdmi,
+#endif
+#ifdef CONFIG_SND_HDA_CODEC_CONEXANT
+	snd_hda_preset_conexant,
+#endif
+#ifdef CONFIG_SND_HDA_CODEC_VIA
+	snd_hda_preset_via,
+#endif
+#ifdef CONFIG_SND_HDA_CODEC_NVHDMI
+	snd_hda_preset_nvhdmi,
+#endif
+	NULL
+};
+
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+static void hda_power_work(struct work_struct *work);
+static void hda_keep_power_on(struct hda_codec *codec);
+#else
+static inline void hda_keep_power_on(struct hda_codec *codec) {}
+#endif
+
+/**
+ * snd_hda_codec_read - send a command and get the response
+ * @codec: the HDA codec
+ * @nid: NID to send the command
+ * @direct: direct flag
+ * @verb: the verb to send
+ * @parm: the parameter for the verb
+ *
+ * Send a single command and read the corresponding response.
+ *
+ * Returns the obtained response value, or -1 for an error.
+ */
+unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid,
+				int direct,
+				unsigned int verb, unsigned int parm)
+{
+	unsigned int res;
+	snd_hda_power_up(codec);
+	mutex_lock(&codec->bus->cmd_mutex);
+	if (!codec->bus->ops.command(codec, nid, direct, verb, parm))
+		res = codec->bus->ops.get_response(codec);
+	else
+		res = (unsigned int)-1;
+	mutex_unlock(&codec->bus->cmd_mutex);
+	snd_hda_power_down(codec);
+	return res;
+}
+
+/**
+ * snd_hda_codec_write - send a single command without waiting for response
+ * @codec: the HDA codec
+ * @nid: NID to send the command
+ * @direct: direct flag
+ * @verb: the verb to send
+ * @parm: the parameter for the verb
+ *
+ * Send a single command without waiting for response.
+ *
+ * Returns 0 if successful, or a negative error code.
+ */
+int snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int direct,
+			 unsigned int verb, unsigned int parm)
+{
+	int err;
+	snd_hda_power_up(codec);
+	mutex_lock(&codec->bus->cmd_mutex);
+	err = codec->bus->ops.command(codec, nid, direct, verb, parm);
+	mutex_unlock(&codec->bus->cmd_mutex);
+	snd_hda_power_down(codec);
+	return err;
+}
+
+/**
+ * snd_hda_sequence_write - sequence writes
+ * @codec: the HDA codec
+ * @seq: VERB array to send
+ *
+ * Send the commands sequentially from the given array.
+ * The array must be terminated with NID=0.
+ */
+void snd_hda_sequence_write(struct hda_codec *codec, const struct hda_verb *seq)
+{
+	for (; seq->nid; seq++)
+		snd_hda_codec_write(codec, seq->nid, 0, seq->verb, seq->param);
+}
+
+/**
+ * snd_hda_get_sub_nodes - get the range of sub nodes
+ * @codec: the HDA codec
+ * @nid: NID to parse
+ * @start_id: the pointer to store the start NID
+ *
+ * Parse the NID and store the start NID of its sub-nodes.
+ * Returns the number of sub-nodes.
+ */
+int snd_hda_get_sub_nodes(struct hda_codec *codec, hda_nid_t nid,
+			  hda_nid_t *start_id)
+{
+	unsigned int parm;
+
+	parm = snd_hda_param_read(codec, nid, AC_PAR_NODE_COUNT);
+	if (parm == -1)
+		return 0;
+	*start_id = (parm >> 16) & 0x7fff;
+	return (int)(parm & 0x7fff);
+}
+
+/**
+ * snd_hda_get_connections - get connection list
+ * @codec: the HDA codec
+ * @nid: NID to parse
+ * @conn_list: connection list array
+ * @max_conns: max. number of connections to store
+ *
+ * Parses the connection list of the given widget and stores the list
+ * of NIDs.
+ *
+ * Returns the number of connections, or a negative error code.
+ */
+int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
+			    hda_nid_t *conn_list, int max_conns)
+{
+	unsigned int parm;
+	int i, conn_len, conns;
+	unsigned int shift, num_elems, mask;
+	hda_nid_t prev_nid;
+
+	if (snd_BUG_ON(!conn_list || max_conns <= 0))
+		return -EINVAL;
+
+	parm = snd_hda_param_read(codec, nid, AC_PAR_CONNLIST_LEN);
+	if (parm & AC_CLIST_LONG) {
+		/* long form */
+		shift = 16;
+		num_elems = 2;
+	} else {
+		/* short form */
+		shift = 8;
+		num_elems = 4;
+	}
+	conn_len = parm & AC_CLIST_LENGTH;
+	mask = (1 << (shift-1)) - 1;
+
+	if (!conn_len)
+		return 0; /* no connection */
+
+	if (conn_len == 1) {
+		/* single connection */
+		parm = snd_hda_codec_read(codec, nid, 0,
+					  AC_VERB_GET_CONNECT_LIST, 0);
+		conn_list[0] = parm & mask;
+		return 1;
+	}
+
+	/* multi connection */
+	conns = 0;
+	prev_nid = 0;
+	for (i = 0; i < conn_len; i++) {
+		int range_val;
+		hda_nid_t val, n;
+
+		if (i % num_elems == 0)
+			parm = snd_hda_codec_read(codec, nid, 0,
+						  AC_VERB_GET_CONNECT_LIST, i);
+		range_val = !!(parm & (1 << (shift-1))); /* ranges */
+		val = parm & mask;
+		parm >>= shift;
+		if (range_val) {
+			/* ranges between the previous and this one */
+			if (!prev_nid || prev_nid >= val) {
+				snd_printk(KERN_WARNING "hda_codec: "
+					   "invalid dep_range_val %x:%x\n",
+					   prev_nid, val);
+				continue;
+			}
+			for (n = prev_nid + 1; n <= val; n++) {
+				if (conns >= max_conns) {
+					snd_printk(KERN_ERR
+						   "Too many connections\n");
+					return -EINVAL;
+				}
+				conn_list[conns++] = n;
+			}
+		} else {
+			if (conns >= max_conns) {
+				snd_printk(KERN_ERR "Too many connections\n");
+				return -EINVAL;
+			}
+			conn_list[conns++] = val;
+		}
+		prev_nid = val;
+	}
+	return conns;
+}
+
+
+/**
+ * snd_hda_queue_unsol_event - add an unsolicited event to queue
+ * @bus: the BUS
+ * @res: unsolicited event (lower 32bit of RIRB entry)
+ * @res_ex: codec addr and flags (upper 32bit or RIRB entry)
+ *
+ * Adds the given event to the queue.  The events are processed in
+ * the workqueue asynchronously.  Call this function in the interrupt
+ * hanlder when RIRB receives an unsolicited event.
+ *
+ * Returns 0 if successful, or a negative error code.
+ */
+int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex)
+{
+	struct hda_bus_unsolicited *unsol;
+	unsigned int wp;
+
+	unsol = bus->unsol;
+	if (!unsol)
+		return 0;
+
+	wp = (unsol->wp + 1) % HDA_UNSOL_QUEUE_SIZE;
+	unsol->wp = wp;
+
+	wp <<= 1;
+	unsol->queue[wp] = res;
+	unsol->queue[wp + 1] = res_ex;
+
+	schedule_work(&unsol->work);
+
+	return 0;
+}
+
+/*
+ * process queued unsolicited events
+ */
+static void process_unsol_events(struct work_struct *work)
+{
+	struct hda_bus_unsolicited *unsol =
+		container_of(work, struct hda_bus_unsolicited, work);
+	struct hda_bus *bus = unsol->bus;
+	struct hda_codec *codec;
+	unsigned int rp, caddr, res;
+
+	while (unsol->rp != unsol->wp) {
+		rp = (unsol->rp + 1) % HDA_UNSOL_QUEUE_SIZE;
+		unsol->rp = rp;
+		rp <<= 1;
+		res = unsol->queue[rp];
+		caddr = unsol->queue[rp + 1];
+		if (!(caddr & (1 << 4))) /* no unsolicited event? */
+			continue;
+		codec = bus->caddr_tbl[caddr & 0x0f];
+		if (codec && codec->patch_ops.unsol_event)
+			codec->patch_ops.unsol_event(codec, res);
+	}
+}
+
+/*
+ * initialize unsolicited queue
+ */
+static int __devinit init_unsol_queue(struct hda_bus *bus)
+{
+	struct hda_bus_unsolicited *unsol;
+
+	if (bus->unsol) /* already initialized */
+		return 0;
+
+	unsol = kzalloc(sizeof(*unsol), GFP_KERNEL);
+	if (!unsol) {
+		snd_printk(KERN_ERR "hda_codec: "
+			   "can't allocate unsolicited queue\n");
+		return -ENOMEM;
+	}
+	INIT_WORK(&unsol->work, process_unsol_events);
+	unsol->bus = bus;
+	bus->unsol = unsol;
+	return 0;
+}
+
+/*
+ * destructor
+ */
+static void snd_hda_codec_free(struct hda_codec *codec);
+
+static int snd_hda_bus_free(struct hda_bus *bus)
+{
+	struct hda_codec *codec, *n;
+
+	if (!bus)
+		return 0;
+	if (bus->unsol) {
+		flush_scheduled_work();
+		kfree(bus->unsol);
+	}
+	list_for_each_entry_safe(codec, n, &bus->codec_list, list) {
+		snd_hda_codec_free(codec);
+	}
+	if (bus->ops.private_free)
+		bus->ops.private_free(bus);
+	kfree(bus);
+	return 0;
+}
+
+static int snd_hda_bus_dev_free(struct snd_device *device)
+{
+	struct hda_bus *bus = device->device_data;
+	return snd_hda_bus_free(bus);
+}
+
+/**
+ * snd_hda_bus_new - create a HDA bus
+ * @card: the card entry
+ * @temp: the template for hda_bus information
+ * @busp: the pointer to store the created bus instance
+ *
+ * Returns 0 if successful, or a negative error code.
+ */
+int __devinit snd_hda_bus_new(struct snd_card *card,
+			      const struct hda_bus_template *temp,
+			      struct hda_bus **busp)
+{
+	struct hda_bus *bus;
+	int err;
+	static struct snd_device_ops dev_ops = {
+		.dev_free = snd_hda_bus_dev_free,
+	};
+
+	if (snd_BUG_ON(!temp))
+		return -EINVAL;
+	if (snd_BUG_ON(!temp->ops.command || !temp->ops.get_response))
+		return -EINVAL;
+
+	if (busp)
+		*busp = NULL;
+
+	bus = kzalloc(sizeof(*bus), GFP_KERNEL);
+	if (bus == NULL) {
+		snd_printk(KERN_ERR "can't allocate struct hda_bus\n");
+		return -ENOMEM;
+	}
+
+	bus->card = card;
+	bus->private_data = temp->private_data;
+	bus->pci = temp->pci;
+	bus->modelname = temp->modelname;
+	bus->ops = temp->ops;
+
+	mutex_init(&bus->cmd_mutex);
+	INIT_LIST_HEAD(&bus->codec_list);
+
+	err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops);
+	if (err < 0) {
+		snd_hda_bus_free(bus);
+		return err;
+	}
+	if (busp)
+		*busp = bus;
+	return 0;
+}
+
+#ifdef CONFIG_SND_HDA_GENERIC
+#define is_generic_config(codec) \
+	(codec->bus->modelname && !strcmp(codec->bus->modelname, "generic"))
+#else
+#define is_generic_config(codec)	0
+#endif
+
+/*
+ * find a matching codec preset
+ */
+static const struct hda_codec_preset __devinit *
+find_codec_preset(struct hda_codec *codec)
+{
+	const struct hda_codec_preset **tbl, *preset;
+
+	if (is_generic_config(codec))
+		return NULL; /* use the generic parser */
+
+	for (tbl = hda_preset_tables; *tbl; tbl++) {
+		for (preset = *tbl; preset->id; preset++) {
+			u32 mask = preset->mask;
+			if (preset->afg && preset->afg != codec->afg)
+				continue;
+			if (preset->mfg && preset->mfg != codec->mfg)
+				continue;
+			if (!mask)
+				mask = ~0;
+			if (preset->id == (codec->vendor_id & mask) &&
+			    (!preset->rev ||
+			     preset->rev == codec->revision_id))
+				return preset;
+		}
+	}
+	return NULL;
+}
+
+/*
+ * snd_hda_get_codec_name - store the codec name
+ */
+void snd_hda_get_codec_name(struct hda_codec *codec,
+			    char *name, int namelen)
+{
+	const struct hda_vendor_id *c;
+	const char *vendor = NULL;
+	u16 vendor_id = codec->vendor_id >> 16;
+	char tmp[16];
+
+	for (c = hda_vendor_ids; c->id; c++) {
+		if (c->id == vendor_id) {
+			vendor = c->name;
+			break;
+		}
+	}
+	if (!vendor) {
+		sprintf(tmp, "Generic %04x", vendor_id);
+		vendor = tmp;
+	}
+	if (codec->preset && codec->preset->name)
+		snprintf(name, namelen, "%s %s", vendor, codec->preset->name);
+	else
+		snprintf(name, namelen, "%s ID %x", vendor,
+			 codec->vendor_id & 0xffff);
+}
+
+/*
+ * look for an AFG and MFG nodes
+ */
+static void __devinit setup_fg_nodes(struct hda_codec *codec)
+{
+	int i, total_nodes;
+	hda_nid_t nid;
+
+	total_nodes = snd_hda_get_sub_nodes(codec, AC_NODE_ROOT, &nid);
+	for (i = 0; i < total_nodes; i++, nid++) {
+		unsigned int func;
+		func = snd_hda_param_read(codec, nid, AC_PAR_FUNCTION_TYPE);
+		switch (func & 0xff) {
+		case AC_GRP_AUDIO_FUNCTION:
+			codec->afg = nid;
+			break;
+		case AC_GRP_MODEM_FUNCTION:
+			codec->mfg = nid;
+			break;
+		default:
+			break;
+		}
+	}
+}
+
+/*
+ * read widget caps for each widget and store in cache
+ */
+static int read_widget_caps(struct hda_codec *codec, hda_nid_t fg_node)
+{
+	int i;
+	hda_nid_t nid;
+
+	codec->num_nodes = snd_hda_get_sub_nodes(codec, fg_node,
+						 &codec->start_nid);
+	codec->wcaps = kmalloc(codec->num_nodes * 4, GFP_KERNEL);
+	if (!codec->wcaps)
+		return -ENOMEM;
+	nid = codec->start_nid;
+	for (i = 0; i < codec->num_nodes; i++, nid++)
+		codec->wcaps[i] = snd_hda_param_read(codec, nid,
+						     AC_PAR_AUDIO_WIDGET_CAP);
+	return 0;
+}
+
+
+static void init_hda_cache(struct hda_cache_rec *cache,
+			   unsigned int record_size);
+static void free_hda_cache(struct hda_cache_rec *cache);
+
+/*
+ * codec destructor
+ */
+static void snd_hda_codec_free(struct hda_codec *codec)
+{
+	if (!codec)
+		return;
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+	cancel_delayed_work(&codec->power_work);
+	flush_scheduled_work();
+#endif
+	list_del(&codec->list);
+	codec->bus->caddr_tbl[codec->addr] = NULL;
+	if (codec->patch_ops.free)
+		codec->patch_ops.free(codec);
+	free_hda_cache(&codec->amp_cache);
+	free_hda_cache(&codec->cmd_cache);
+	kfree(codec->wcaps);
+	kfree(codec);
+}
+
+/**
+ * snd_hda_codec_new - create a HDA codec
+ * @bus: the bus to assign
+ * @codec_addr: the codec address
+ * @codecp: the pointer to store the generated codec
+ *
+ * Returns 0 if successful, or a negative error code.
+ */
+int __devinit snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
+				struct hda_codec **codecp)
+{
+	struct hda_codec *codec;
+	char component[31];
+	int err;
+
+	if (snd_BUG_ON(!bus))
+		return -EINVAL;
+	if (snd_BUG_ON(codec_addr > HDA_MAX_CODEC_ADDRESS))
+		return -EINVAL;
+
+	if (bus->caddr_tbl[codec_addr]) {
+		snd_printk(KERN_ERR "hda_codec: "
+			   "address 0x%x is already occupied\n", codec_addr);
+		return -EBUSY;
+	}
+
+	codec = kzalloc(sizeof(*codec), GFP_KERNEL);
+	if (codec == NULL) {
+		snd_printk(KERN_ERR "can't allocate struct hda_codec\n");
+		return -ENOMEM;
+	}
+
+	codec->bus = bus;
+	codec->addr = codec_addr;
+	mutex_init(&codec->spdif_mutex);
+	init_hda_cache(&codec->amp_cache, sizeof(struct hda_amp_info));
+	init_hda_cache(&codec->cmd_cache, sizeof(struct hda_cache_head));
+
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+	INIT_DELAYED_WORK(&codec->power_work, hda_power_work);
+	/* snd_hda_codec_new() marks the codec as power-up, and leave it as is.
+	 * the caller has to power down appropriatley after initialization
+	 * phase.
+	 */
+	hda_keep_power_on(codec);
+#endif
+
+	list_add_tail(&codec->list, &bus->codec_list);
+	bus->caddr_tbl[codec_addr] = codec;
+
+	codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT,
+					      AC_PAR_VENDOR_ID);
+	if (codec->vendor_id == -1)
+		/* read again, hopefully the access method was corrected
+		 * in the last read...
+		 */
+		codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT,
+						      AC_PAR_VENDOR_ID);
+	codec->subsystem_id = snd_hda_param_read(codec, AC_NODE_ROOT,
+						 AC_PAR_SUBSYSTEM_ID);
+	codec->revision_id = snd_hda_param_read(codec, AC_NODE_ROOT,
+						AC_PAR_REV_ID);
+
+	setup_fg_nodes(codec);
+	if (!codec->afg && !codec->mfg) {
+		snd_printdd("hda_codec: no AFG or MFG node found\n");
+		snd_hda_codec_free(codec);
+		return -ENODEV;
+	}
+
+	if (read_widget_caps(codec, codec->afg ? codec->afg : codec->mfg) < 0) {
+		snd_printk(KERN_ERR "hda_codec: cannot malloc\n");
+		snd_hda_codec_free(codec);
+		return -ENOMEM;
+	}
+
+	if (!codec->subsystem_id) {
+		hda_nid_t nid = codec->afg ? codec->afg : codec->mfg;
+		codec->subsystem_id =
+			snd_hda_codec_read(codec, nid, 0,
+					   AC_VERB_GET_SUBSYSTEM_ID, 0);
+	}
+
+	codec->preset = find_codec_preset(codec);
+	/* audio codec should override the mixer name */
+	if (codec->afg || !*bus->card->mixername)
+		snd_hda_get_codec_name(codec, bus->card->mixername,
+				       sizeof(bus->card->mixername));
+
+	if (is_generic_config(codec)) {
+		err = snd_hda_parse_generic_codec(codec);
+		goto patched;
+	}
+	if (codec->preset && codec->preset->patch) {
+		err = codec->preset->patch(codec);
+		goto patched;
+	}
+
+	/* call the default parser */
+	err = snd_hda_parse_generic_codec(codec);
+	if (err < 0)
+		printk(KERN_ERR "hda-codec: No codec parser is available\n");
+
+ patched:
+	if (err < 0) {
+		snd_hda_codec_free(codec);
+		return err;
+	}
+
+	if (codec->patch_ops.unsol_event)
+		init_unsol_queue(bus);
+
+	snd_hda_codec_proc_new(codec);
+#ifdef CONFIG_SND_HDA_HWDEP
+	snd_hda_create_hwdep(codec);
+#endif
+
+	sprintf(component, "HDA:%08x,%08x,%08x", codec->vendor_id, codec->subsystem_id, codec->revision_id);
+	snd_component_add(codec->bus->card, component);
+
+	if (codecp)
+		*codecp = codec;
+	return 0;
+}
+
+/**
+ * snd_hda_codec_setup_stream - set up the codec for streaming
+ * @codec: the CODEC to set up
+ * @nid: the NID to set up
+ * @stream_tag: stream tag to pass, it's between 0x1 and 0xf.
+ * @channel_id: channel id to pass, zero based.
+ * @format: stream format.
+ */
+void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
+				u32 stream_tag,
+				int channel_id, int format)
+{
+	if (!nid)
+		return;
+
+	snd_printdd("hda_codec_setup_stream: "
+		    "NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
+		    nid, stream_tag, channel_id, format);
+	snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID,
+			    (stream_tag << 4) | channel_id);
+	msleep(1);
+	snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, format);
+}
+
+void snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid)
+{
+	if (!nid)
+		return;
+
+	snd_printdd("hda_codec_cleanup_stream: NID=0x%x\n", nid);
+	snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID, 0);
+#if 0 /* keep the format */
+	msleep(1);
+	snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, 0);
+#endif
+}
+
+/*
+ * amp access functions
+ */
+
+/* FIXME: more better hash key? */
+#define HDA_HASH_KEY(nid,dir,idx) (u32)((nid) + ((idx) << 16) + ((dir) << 24))
+#define INFO_AMP_CAPS	(1<<0)
+#define INFO_AMP_VOL(ch)	(1 << (1 + (ch)))
+
+/* initialize the hash table */
+static void __devinit init_hda_cache(struct hda_cache_rec *cache,
+				     unsigned int record_size)
+{
+	memset(cache, 0, sizeof(*cache));
+	memset(cache->hash, 0xff, sizeof(cache->hash));
+	cache->record_size = record_size;
+}
+
+static void free_hda_cache(struct hda_cache_rec *cache)
+{
+	kfree(cache->buffer);
+}
+
+/* query the hash.  allocate an entry if not found. */
+static struct hda_cache_head  *get_alloc_hash(struct hda_cache_rec *cache,
+					      u32 key)
+{
+	u16 idx = key % (u16)ARRAY_SIZE(cache->hash);
+	u16 cur = cache->hash[idx];
+	struct hda_cache_head *info;
+
+	while (cur != 0xffff) {
+		info = (struct hda_cache_head *)(cache->buffer +
+						 cur * cache->record_size);
+		if (info->key == key)
+			return info;
+		cur = info->next;
+	}
+
+	/* add a new hash entry */
+	if (cache->num_entries >= cache->size) {
+		/* reallocate the array */
+		unsigned int new_size = cache->size + 64;
+		void *new_buffer;
+		new_buffer = kcalloc(new_size, cache->record_size, GFP_KERNEL);
+		if (!new_buffer) {
+			snd_printk(KERN_ERR "hda_codec: "
+				   "can't malloc amp_info\n");
+			return NULL;
+		}
+		if (cache->buffer) {
+			memcpy(new_buffer, cache->buffer,
+			       cache->size * cache->record_size);
+			kfree(cache->buffer);
+		}
+		cache->size = new_size;
+		cache->buffer = new_buffer;
+	}
+	cur = cache->num_entries++;
+	info = (struct hda_cache_head *)(cache->buffer +
+					 cur * cache->record_size);
+	info->key = key;
+	info->val = 0;
+	info->next = cache->hash[idx];
+	cache->hash[idx] = cur;
+
+	return info;
+}
+
+/* query and allocate an amp hash entry */
+static inline struct hda_amp_info *
+get_alloc_amp_hash(struct hda_codec *codec, u32 key)
+{
+	return (struct hda_amp_info *)get_alloc_hash(&codec->amp_cache, key);
+}
+
+/*
+ * query AMP capabilities for the given widget and direction
+ */
+u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
+{
+	struct hda_amp_info *info;
+
+	info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, 0));
+	if (!info)
+		return 0;
+	if (!(info->head.val & INFO_AMP_CAPS)) {
+		if (!(get_wcaps(codec, nid) & AC_WCAP_AMP_OVRD))
+			nid = codec->afg;
+		info->amp_caps = snd_hda_param_read(codec, nid,
+						    direction == HDA_OUTPUT ?
+						    AC_PAR_AMP_OUT_CAP :
+						    AC_PAR_AMP_IN_CAP);
+		if (info->amp_caps)
+			info->head.val |= INFO_AMP_CAPS;
+	}
+	return info->amp_caps;
+}
+
+int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
+			      unsigned int caps)
+{
+	struct hda_amp_info *info;
+
+	info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, dir, 0));
+	if (!info)
+		return -EINVAL;
+	info->amp_caps = caps;
+	info->head.val |= INFO_AMP_CAPS;
+	return 0;
+}
+
+/*
+ * read the current volume to info
+ * if the cache exists, read the cache value.
+ */
+static unsigned int get_vol_mute(struct hda_codec *codec,
+				 struct hda_amp_info *info, hda_nid_t nid,
+				 int ch, int direction, int index)
+{
+	u32 val, parm;
+
+	if (info->head.val & INFO_AMP_VOL(ch))
+		return info->vol[ch];
+
+	parm = ch ? AC_AMP_GET_RIGHT : AC_AMP_GET_LEFT;
+	parm |= direction == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT;
+	parm |= index;
+	val = snd_hda_codec_read(codec, nid, 0,
+				 AC_VERB_GET_AMP_GAIN_MUTE, parm);
+	info->vol[ch] = val & 0xff;
+	info->head.val |= INFO_AMP_VOL(ch);
+	return info->vol[ch];
+}
+
+/*
+ * write the current volume in info to the h/w and update the cache
+ */
+static void put_vol_mute(struct hda_codec *codec, struct hda_amp_info *info,
+			 hda_nid_t nid, int ch, int direction, int index,
+			 int val)
+{
+	u32 parm;
+
+	parm = ch ? AC_AMP_SET_RIGHT : AC_AMP_SET_LEFT;
+	parm |= direction == HDA_OUTPUT ? AC_AMP_SET_OUTPUT : AC_AMP_SET_INPUT;
+	parm |= index << AC_AMP_SET_INDEX_SHIFT;
+	parm |= val;
+	snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE, parm);
+	info->vol[ch] = val;
+}
+
+/*
+ * read AMP value.  The volume is between 0 to 0x7f, 0x80 = mute bit.
+ */
+int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch,
+			   int direction, int index)
+{
+	struct hda_amp_info *info;
+	info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, index));
+	if (!info)
+		return 0;
+	return get_vol_mute(codec, info, nid, ch, direction, index);
+}
+
+/*
+ * update the AMP value, mask = bit mask to set, val = the value
+ */
+int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
+			     int direction, int idx, int mask, int val)
+{
+	struct hda_amp_info *info;
+
+	info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, idx));
+	if (!info)
+		return 0;
+	val &= mask;
+	val |= get_vol_mute(codec, info, nid, ch, direction, idx) & ~mask;
+	if (info->vol[ch] == val)
+		return 0;
+	put_vol_mute(codec, info, nid, ch, direction, idx, val);
+	return 1;
+}
+
+/*
+ * update the AMP stereo with the same mask and value
+ */
+int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
+			     int direction, int idx, int mask, int val)
+{
+	int ch, ret = 0;
+	for (ch = 0; ch < 2; ch++)
+		ret |= snd_hda_codec_amp_update(codec, nid, ch, direction,
+						idx, mask, val);
+	return ret;
+}
+
+#ifdef SND_HDA_NEEDS_RESUME
+/* resume the all amp commands from the cache */
+void snd_hda_codec_resume_amp(struct hda_codec *codec)
+{
+	struct hda_amp_info *buffer = codec->amp_cache.buffer;
+	int i;
+
+	for (i = 0; i < codec->amp_cache.size; i++, buffer++) {
+		u32 key = buffer->head.key;
+		hda_nid_t nid;
+		unsigned int idx, dir, ch;
+		if (!key)
+			continue;
+		nid = key & 0xff;
+		idx = (key >> 16) & 0xff;
+		dir = (key >> 24) & 0xff;
+		for (ch = 0; ch < 2; ch++) {
+			if (!(buffer->head.val & INFO_AMP_VOL(ch)))
+				continue;
+			put_vol_mute(codec, buffer, nid, ch, dir, idx,
+				     buffer->vol[ch]);
+		}
+	}
+}
+#endif /* SND_HDA_NEEDS_RESUME */
+
+/* volume */
+int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
+				  struct snd_ctl_elem_info *uinfo)
+{
+	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+	u16 nid = get_amp_nid(kcontrol);
+	u8 chs = get_amp_channels(kcontrol);
+	int dir = get_amp_direction(kcontrol);
+	u32 caps;
+
+	caps = query_amp_caps(codec, nid, dir);
+	/* num steps */
+	caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
+	if (!caps) {
+		printk(KERN_WARNING "hda_codec: "
+		       "num_steps = 0 for NID=0x%x (ctl = %s)\n", nid,
+		       kcontrol->id.name);
+		return -EINVAL;
+	}
+	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+	uinfo->count = chs == 3 ? 2 : 1;
+	uinfo->value.integer.min = 0;
+	uinfo->value.integer.max = caps;
+	return 0;
+}
+
+int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
+				 struct snd_ctl_elem_value *ucontrol)
+{
+	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+	hda_nid_t nid = get_amp_nid(kcontrol);
+	int chs = get_amp_channels(kcontrol);
+	int dir = get_amp_direction(kcontrol);
+	int idx = get_amp_index(kcontrol);
+	long *valp = ucontrol->value.integer.value;
+
+	if (chs & 1)
+		*valp++ = snd_hda_codec_amp_read(codec, nid, 0, dir, idx)
+			& HDA_AMP_VOLMASK;
+	if (chs & 2)
+		*valp = snd_hda_codec_amp_read(codec, nid, 1, dir, idx)
+			& HDA_AMP_VOLMASK;
+	return 0;
+}
+
+int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
+				 struct snd_ctl_elem_value *ucontrol)
+{
+	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+	hda_nid_t nid = get_amp_nid(kcontrol);
+	int chs = get_amp_channels(kcontrol);
+	int dir = get_amp_direction(kcontrol);
+	int idx = get_amp_index(kcontrol);
+	long *valp = ucontrol->value.integer.value;
+	int change = 0;
+
+	snd_hda_power_up(codec);
+	if (chs & 1) {
+		change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
+						  0x7f, *valp);
+		valp++;
+	}
+	if (chs & 2)
+		change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
+						   0x7f, *valp);
+	snd_hda_power_down(codec);
+	return change;
+}
+
+int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
+			  unsigned int size, unsigned int __user *_tlv)
+{
+	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+	hda_nid_t nid = get_amp_nid(kcontrol);
+	int dir = get_amp_direction(kcontrol);
+	u32 caps, val1, val2;
+
+	if (size < 4 * sizeof(unsigned int))
+		return -ENOMEM;
+	caps = query_amp_caps(codec, nid, dir);
+	val2 = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
+	val2 = (val2 + 1) * 25;
+	val1 = -((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT);
+	val1 = ((int)val1) * ((int)val2);
+	if (put_user(SNDRV_CTL_TLVT_DB_SCALE, _tlv))
+		return -EFAULT;
+	if (put_user(2 * sizeof(unsigned int), _tlv + 1))
+		return -EFAULT;
+	if (put_user(val1, _tlv + 2))
+		return -EFAULT;
+	if (put_user(val2, _tlv + 3))
+		return -EFAULT;
+	return 0;
+}
+
+/*
+ * set (static) TLV for virtual master volume; recalculated as max 0dB
+ */
+void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
+			     unsigned int *tlv)
+{
+	u32 caps;
+	int nums, step;
+
+	caps = query_amp_caps(codec, nid, dir);
+	nums = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
+	step = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
+	step = (step + 1) * 25;
+	tlv[0] = SNDRV_CTL_TLVT_DB_SCALE;
+	tlv[1] = 2 * sizeof(unsigned int);
+	tlv[2] = -nums * step;
+	tlv[3] = step;
+}
+
+/* find a mixer control element with the given name */
+static struct snd_kcontrol *
+_snd_hda_find_mixer_ctl(struct hda_codec *codec,
+			const char *name, int idx)
+{
+	struct snd_ctl_elem_id id;
+	memset(&id, 0, sizeof(id));
+	id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+	id.index = idx;
+	strcpy(id.name, name);
+	return snd_ctl_find_id(codec->bus->card, &id);
+}
+
+struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
+					    const char *name)
+{
+	return _snd_hda_find_mixer_ctl(codec, name, 0);
+}
+
+/* create a virtual master control and add slaves */
+int snd_hda_add_vmaster(struct hda_codec *codec, char *name,
+			unsigned int *tlv, const char **slaves)
+{
+	struct snd_kcontrol *kctl;
+	const char **s;
+	int err;
+
+	for (s = slaves; *s && !snd_hda_find_mixer_ctl(codec, *s); s++)
+		;
+	if (!*s) {
+		snd_printdd("No slave found for %s\n", name);
+		return 0;
+	}
+	kctl = snd_ctl_make_virtual_master(name, tlv);
+	if (!kctl)
+		return -ENOMEM;
+	err = snd_ctl_add(codec->bus->card, kctl);
+	if (err < 0)
+		return err;
+	
+	for (s = slaves; *s; s++) {
+		struct snd_kcontrol *sctl;
+
+		sctl = snd_hda_find_mixer_ctl(codec, *s);
+		if (!sctl) {
+			snd_printdd("Cannot find slave %s, skipped\n", *s);
+			continue;
+		}
+		err = snd_ctl_add_slave(kctl, sctl);
+		if (err < 0)
+			return err;
+	}
+	return 0;
+}
+
+/* switch */
+int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
+				  struct snd_ctl_elem_info *uinfo)
+{
+	int chs = get_amp_channels(kcontrol);
+
+	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
+	uinfo->count = chs == 3 ? 2 : 1;
+	uinfo->value.integer.min = 0;
+	uinfo->value.integer.max = 1;
+	return 0;
+}
+
+int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
+				 struct snd_ctl_elem_value *ucontrol)
+{
+	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+	hda_nid_t nid = get_amp_nid(kcontrol);
+	int chs = get_amp_channels(kcontrol);
+	int dir = get_amp_direction(kcontrol);
+	int idx = get_amp_index(kcontrol);
+	long *valp = ucontrol->value.integer.value;
+
+	if (chs & 1)
+		*valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) &
+			   HDA_AMP_MUTE) ? 0 : 1;
+	if (chs & 2)
+		*valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) &
+			 HDA_AMP_MUTE) ? 0 : 1;
+	return 0;
+}
+
+int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
+				 struct snd_ctl_elem_value *ucontrol)
+{
+	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+	hda_nid_t nid = get_amp_nid(kcontrol);
+	int chs = get_amp_channels(kcontrol);
+	int dir = get_amp_direction(kcontrol);
+	int idx = get_amp_index(kcontrol);
+	long *valp = ucontrol->value.integer.value;
+	int change = 0;
+
+	snd_hda_power_up(codec);
+	if (chs & 1) {
+		change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
+						  HDA_AMP_MUTE,
+						  *valp ? 0 : HDA_AMP_MUTE);
+		valp++;
+	}
+	if (chs & 2)
+		change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
+						   HDA_AMP_MUTE,
+						   *valp ? 0 : HDA_AMP_MUTE);
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+	if (codec->patch_ops.check_power_status)
+		codec->patch_ops.check_power_status(codec, nid);
+#endif
+	snd_hda_power_down(codec);
+	return change;
+}
+
+/*
+ * bound volume controls
+ *
+ * bind multiple volumes (# indices, from 0)
+ */
+
+#define AMP_VAL_IDX_SHIFT	19
+#define AMP_VAL_IDX_MASK	(0x0f<<19)
+
+int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol,
+				  struct snd_ctl_elem_value *ucontrol)
+{
+	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+	unsigned long pval;
+	int err;
+
+	mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
+	pval = kcontrol->private_value;
+	kcontrol->private_value = pval & ~AMP_VAL_IDX_MASK; /* index 0 */
+	err = snd_hda_mixer_amp_switch_get(kcontrol, ucontrol);
+	kcontrol->private_value = pval;
+	mutex_unlock(&codec->spdif_mutex);
+	return err;
+}
+
+int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol,
+				  struct snd_ctl_elem_value *ucontrol)
+{
+	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+	unsigned long pval;
+	int i, indices, err = 0, change = 0;
+
+	mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
+	pval = kcontrol->private_value;
+	indices = (pval & AMP_VAL_IDX_MASK) >> AMP_VAL_IDX_SHIFT;
+	for (i = 0; i < indices; i++) {
+		kcontrol->private_value = (pval & ~AMP_VAL_IDX_MASK) |
+			(i << AMP_VAL_IDX_SHIFT);
+		err = snd_hda_mixer_amp_switch_put(kcontrol, ucontrol);
+		if (err < 0)
+			break;
+		change |= err;
+	}
+	kcontrol->private_value = pval;
+	mutex_unlock(&codec->spdif_mutex);
+	return err < 0 ? err : change;
+}
+
+/*
+ * generic bound volume/swtich controls
+ */
+int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol,
+				 struct snd_ctl_elem_info *uinfo)
+{
+	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+	struct hda_bind_ctls *c;
+	int err;
+
+	mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
+	c = (struct hda_bind_ctls *)kcontrol->private_value;
+	kcontrol->private_value = *c->values;
+	err = c->ops->info(kcontrol, uinfo);
+	kcontrol->private_value = (long)c;
+	mutex_unlock(&codec->spdif_mutex);
+	return err;
+}
+
+int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol,
+				struct snd_ctl_elem_value *ucontrol)
+{
+	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+	struct hda_bind_ctls *c;
+	int err;
+
+	mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
+	c = (struct hda_bind_ctls *)kcontrol->private_value;
+	kcontrol->private_value = *c->values;
+	err = c->ops->get(kcontrol, ucontrol);
+	kcontrol->private_value = (long)c;
+	mutex_unlock(&codec->spdif_mutex);
+	return err;
+}
+
+int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol,
+				struct snd_ctl_elem_value *ucontrol)
+{
+	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+	struct hda_bind_ctls *c;
+	unsigned long *vals;
+	int err = 0, change = 0;
+
+	mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
+	c = (struct hda_bind_ctls *)kcontrol->private_value;
+	for (vals = c->values; *vals; vals++) {
+		kcontrol->private_value = *vals;
+		err = c->ops->put(kcontrol, ucontrol);
+		if (err < 0)
+			break;
+		change |= err;
+	}
+	kcontrol->private_value = (long)c;
+	mutex_unlock(&codec->spdif_mutex);
+	return err < 0 ? err : change;
+}
+
+int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag,
+			   unsigned int size, unsigned int __user *tlv)
+{
+	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+	struct hda_bind_ctls *c;
+	int err;
+
+	mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
+	c = (struct hda_bind_ctls *)kcontrol->private_value;
+	kcontrol->private_value = *c->values;
+	err = c->ops->tlv(kcontrol, op_flag, size, tlv);
+	kcontrol->private_value = (long)c;
+	mutex_unlock(&codec->spdif_mutex);
+	return err;
+}
+
+struct hda_ctl_ops snd_hda_bind_vol = {
+	.info = snd_hda_mixer_amp_volume_info,
+	.get = snd_hda_mixer_amp_volume_get,
+	.put = snd_hda_mixer_amp_volume_put,
+	.tlv = snd_hda_mixer_amp_tlv
+};
+
+struct hda_ctl_ops snd_hda_bind_sw = {
+	.info = snd_hda_mixer_amp_switch_info,
+	.get = snd_hda_mixer_amp_switch_get,
+	.put = snd_hda_mixer_amp_switch_put,
+	.tlv = snd_hda_mixer_amp_tlv
+};
+
+/*
+ * SPDIF out controls
+ */
+
+static int snd_hda_spdif_mask_info(struct snd_kcontrol *kcontrol,
+				   struct snd_ctl_elem_info *uinfo)
+{
+	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
+	uinfo->count = 1;
+	return 0;
+}
+
+static int snd_hda_spdif_cmask_get(struct snd_kcontrol *kcontrol,
+				   struct snd_ctl_elem_value *ucontrol)
+{
+	ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
+					   IEC958_AES0_NONAUDIO |
+					   IEC958_AES0_CON_EMPHASIS_5015 |
+					   IEC958_AES0_CON_NOT_COPYRIGHT;
+	ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
+					   IEC958_AES1_CON_ORIGINAL;
+	return 0;
+}
+
+static int snd_hda_spdif_pmask_get(struct snd_kcontrol *kcontrol,
+				   struct snd_ctl_elem_value *ucontrol)
+{
+	ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
+					   IEC958_AES0_NONAUDIO |
+					   IEC958_AES0_PRO_EMPHASIS_5015;
+	return 0;
+}
+
+static int snd_hda_spdif_default_get(struct snd_kcontrol *kcontrol,
+				     struct snd_ctl_elem_value *ucontrol)
+{
+	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+
+	ucontrol->value.iec958.status[0] = codec->spdif_status & 0xff;
+	ucontrol->value.iec958.status[1] = (codec->spdif_status >> 8) & 0xff;
+	ucontrol->value.iec958.status[2] = (codec->spdif_status >> 16) & 0xff;
+	ucontrol->value.iec958.status[3] = (codec->spdif_status >> 24) & 0xff;
+
+	return 0;
+}
+
+/* convert from SPDIF status bits to HDA SPDIF bits
+ * bit 0 (DigEn) is always set zero (to be filled later)
+ */
+static unsigned short convert_from_spdif_status(unsigned int sbits)
+{
+	unsigned short val = 0;
+
+	if (sbits & IEC958_AES0_PROFESSIONAL)
+		val |= AC_DIG1_PROFESSIONAL;
+	if (sbits & IEC958_AES0_NONAUDIO)
+		val |= AC_DIG1_NONAUDIO;
+	if (sbits & IEC958_AES0_PROFESSIONAL) {
+		if ((sbits & IEC958_AES0_PRO_EMPHASIS) ==
+		    IEC958_AES0_PRO_EMPHASIS_5015)
+			val |= AC_DIG1_EMPHASIS;
+	} else {
+		if ((sbits & IEC958_AES0_CON_EMPHASIS) ==
+		    IEC958_AES0_CON_EMPHASIS_5015)
+			val |= AC_DIG1_EMPHASIS;
+		if (!(sbits & IEC958_AES0_CON_NOT_COPYRIGHT))
+			val |= AC_DIG1_COPYRIGHT;
+		if (sbits & (IEC958_AES1_CON_ORIGINAL << 8))
+			val |= AC_DIG1_LEVEL;
+		val |= sbits & (IEC958_AES1_CON_CATEGORY << 8);
+	}
+	return val;
+}
+
+/* convert to SPDIF status bits from HDA SPDIF bits
+ */
+static unsigned int convert_to_spdif_status(unsigned short val)
+{
+	unsigned int sbits = 0;
+
+	if (val & AC_DIG1_NONAUDIO)
+		sbits |= IEC958_AES0_NONAUDIO;
+	if (val & AC_DIG1_PROFESSIONAL)
+		sbits |= IEC958_AES0_PROFESSIONAL;
+	if (sbits & IEC958_AES0_PROFESSIONAL) {
+		if (sbits & AC_DIG1_EMPHASIS)
+			sbits |= IEC958_AES0_PRO_EMPHASIS_5015;
+	} else {
+		if (val & AC_DIG1_EMPHASIS)
+			sbits |= IEC958_AES0_CON_EMPHASIS_5015;
+		if (!(val & AC_DIG1_COPYRIGHT))
+			sbits |= IEC958_AES0_CON_NOT_COPYRIGHT;
+		if (val & AC_DIG1_LEVEL)
+			sbits |= (IEC958_AES1_CON_ORIGINAL << 8);
+		sbits |= val & (0x7f << 8);
+	}
+	return sbits;
+}
+
+/* set digital convert verbs both for the given NID and its slaves */
+static void set_dig_out(struct hda_codec *codec, hda_nid_t nid,
+			int verb, int val)
+{
+	hda_nid_t *d;
+
+	snd_hda_codec_write_cache(codec, nid, 0, verb, val);
+	d = codec->slave_dig_outs;
+	if (!d)
+		return;
+	for (; *d; d++)
+		snd_hda_codec_write_cache(codec, *d, 0, verb, val);
+}
+
+static inline void set_dig_out_convert(struct hda_codec *codec, hda_nid_t nid,
+				       int dig1, int dig2)
+{
+	if (dig1 != -1)
+		set_dig_out(codec, nid, AC_VERB_SET_DIGI_CONVERT_1, dig1);
+	if (dig2 != -1)
+		set_dig_out(codec, nid, AC_VERB_SET_DIGI_CONVERT_2, dig2);
+}
+
+static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol,
+				     struct snd_ctl_elem_value *ucontrol)
+{
+	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+	hda_nid_t nid = kcontrol->private_value;
+	unsigned short val;
+	int change;
+
+	mutex_lock(&codec->spdif_mutex);
+	codec->spdif_status = ucontrol->value.iec958.status[0] |
+		((unsigned int)ucontrol->value.iec958.status[1] << 8) |
+		((unsigned int)ucontrol->value.iec958.status[2] << 16) |
+		((unsigned int)ucontrol->value.iec958.status[3] << 24);
+	val = convert_from_spdif_status(codec->spdif_status);
+	val |= codec->spdif_ctls & 1;
+	change = codec->spdif_ctls != val;
+	codec->spdif_ctls = val;
+
+	if (change)
+		set_dig_out_convert(codec, nid, val & 0xff, (val >> 8) & 0xff);
+
+	mutex_unlock(&codec->spdif_mutex);
+	return change;
+}
+
+#define snd_hda_spdif_out_switch_info	snd_ctl_boolean_mono_info
+
+static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol,
+					struct snd_ctl_elem_value *ucontrol)
+{
+	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+
+	ucontrol->value.integer.value[0] = codec->spdif_ctls & AC_DIG1_ENABLE;
+	return 0;
+}
+
+static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol,
+					struct snd_ctl_elem_value *ucontrol)
+{
+	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+	hda_nid_t nid = kcontrol->private_value;
+	unsigned short val;
+	int change;
+
+	mutex_lock(&codec->spdif_mutex);
+	val = codec->spdif_ctls & ~AC_DIG1_ENABLE;
+	if (ucontrol->value.integer.value[0])
+		val |= AC_DIG1_ENABLE;
+	change = codec->spdif_ctls != val;
+	if (change) {
+		codec->spdif_ctls = val;
+		set_dig_out_convert(codec, nid, val & 0xff, -1);
+		/* unmute amp switch (if any) */
+		if ((get_wcaps(codec, nid) & AC_WCAP_OUT_AMP) &&
+		    (val & AC_DIG1_ENABLE))
+			snd_hda_codec_amp_stereo(codec, nid, HDA_OUTPUT, 0,
+						 HDA_AMP_MUTE, 0);
+	}
+	mutex_unlock(&codec->spdif_mutex);
+	return change;
+}
+
+static struct snd_kcontrol_new dig_mixes[] = {
+	{
+		.access = SNDRV_CTL_ELEM_ACCESS_READ,
+		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+		.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
+		.info = snd_hda_spdif_mask_info,
+		.get = snd_hda_spdif_cmask_get,
+	},
+	{
+		.access = SNDRV_CTL_ELEM_ACCESS_READ,
+		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+		.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
+		.info = snd_hda_spdif_mask_info,
+		.get = snd_hda_spdif_pmask_get,
+	},
+	{
+		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+		.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
+		.info = snd_hda_spdif_mask_info,
+		.get = snd_hda_spdif_default_get,
+		.put = snd_hda_spdif_default_put,
+	},
+	{
+		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+		.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),
+		.info = snd_hda_spdif_out_switch_info,
+		.get = snd_hda_spdif_out_switch_get,
+		.put = snd_hda_spdif_out_switch_put,
+	},
+	{ } /* end */
+};
+
+#define SPDIF_MAX_IDX	4	/* 4 instances should be enough to probe */
+
+/**
+ * snd_hda_create_spdif_out_ctls - create Output SPDIF-related controls
+ * @codec: the HDA codec
+ * @nid: audio out widget NID
+ *
+ * Creates controls related with the SPDIF output.
+ * Called from each patch supporting the SPDIF out.
+ *
+ * Returns 0 if successful, or a negative error code.
+ */
+int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid)
+{
+	int err;
+	struct snd_kcontrol *kctl;
+	struct snd_kcontrol_new *dig_mix;
+	int idx;
+
+	for (idx = 0; idx < SPDIF_MAX_IDX; idx++) {
+		if (!_snd_hda_find_mixer_ctl(codec, "IEC958 Playback Switch",
+					     idx))
+			break;
+	}
+	if (idx >= SPDIF_MAX_IDX) {
+		printk(KERN_ERR "hda_codec: too many IEC958 outputs\n");
+		return -EBUSY;
+	}
+	for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
+		kctl = snd_ctl_new1(dig_mix, codec);
+		kctl->id.index = idx;
+		kctl->private_value = nid;
+		err = snd_ctl_add(codec->bus->card, kctl);
+		if (err < 0)
+			return err;
+	}
+	codec->spdif_ctls =
+		snd_hda_codec_read(codec, nid, 0,
+				   AC_VERB_GET_DIGI_CONVERT_1, 0);
+	codec->spdif_status = convert_to_spdif_status(codec->spdif_ctls);
+	return 0;
+}
+
+/*
+ * SPDIF sharing with analog output
+ */
+static int spdif_share_sw_get(struct snd_kcontrol *kcontrol,
+			      struct snd_ctl_elem_value *ucontrol)
+{
+	struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
+	ucontrol->value.integer.value[0] = mout->share_spdif;
+	return 0;
+}
+
+static int spdif_share_sw_put(struct snd_kcontrol *kcontrol,
+			      struct snd_ctl_elem_value *ucontrol)
+{
+	struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
+	mout->share_spdif = !!ucontrol->value.integer.value[0];
+	return 0;
+}
+
+static struct snd_kcontrol_new spdif_share_sw = {
+	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+	.name = "IEC958 Default PCM Playback Switch",
+	.info = snd_ctl_boolean_mono_info,
+	.get = spdif_share_sw_get,
+	.put = spdif_share_sw_put,
+};
+
+int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
+				  struct hda_multi_out *mout)
+{
+	if (!mout->dig_out_nid)
+		return 0;
+	/* ATTENTION: here mout is passed as private_data, instead of codec */
+	return snd_ctl_add(codec->bus->card,
+			   snd_ctl_new1(&spdif_share_sw, mout));
+}
+
+/*
+ * SPDIF input
+ */
+
+#define snd_hda_spdif_in_switch_info	snd_hda_spdif_out_switch_info
+
+static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol,
+				       struct snd_ctl_elem_value *ucontrol)
+{
+	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+
+	ucontrol->value.integer.value[0] = codec->spdif_in_enable;
+	return 0;
+}
+
+static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol,
+				       struct snd_ctl_elem_value *ucontrol)
+{
+	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+	hda_nid_t nid = kcontrol->private_value;
+	unsigned int val = !!ucontrol->value.integer.value[0];
+	int change;
+
+	mutex_lock(&codec->spdif_mutex);
+	change = codec->spdif_in_enable != val;
+	if (change) {
+		codec->spdif_in_enable = val;
+		snd_hda_codec_write_cache(codec, nid, 0,
+					  AC_VERB_SET_DIGI_CONVERT_1, val);
+	}
+	mutex_unlock(&codec->spdif_mutex);
+	return change;
+}
+
+static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol,
+				       struct snd_ctl_elem_value *ucontrol)
+{
+	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+	hda_nid_t nid = kcontrol->private_value;
+	unsigned short val;
+	unsigned int sbits;
+
+	val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT_1, 0);
+	sbits = convert_to_spdif_status(val);
+	ucontrol->value.iec958.status[0] = sbits;
+	ucontrol->value.iec958.status[1] = sbits >> 8;
+	ucontrol->value.iec958.status[2] = sbits >> 16;
+	ucontrol->value.iec958.status[3] = sbits >> 24;
+	return 0;
+}
+
+static struct snd_kcontrol_new dig_in_ctls[] = {
+	{
+		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+		.name = SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH),
+		.info = snd_hda_spdif_in_switch_info,
+		.get = snd_hda_spdif_in_switch_get,
+		.put = snd_hda_spdif_in_switch_put,
+	},
+	{
+		.access = SNDRV_CTL_ELEM_ACCESS_READ,
+		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+		.name = SNDRV_CTL_NAME_IEC958("",CAPTURE,DEFAULT),
+		.info = snd_hda_spdif_mask_info,
+		.get = snd_hda_spdif_in_status_get,
+	},
+	{ } /* end */
+};
+
+/**
+ * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls
+ * @codec: the HDA codec
+ * @nid: audio in widget NID
+ *
+ * Creates controls related with the SPDIF input.
+ * Called from each patch supporting the SPDIF in.
+ *
+ * Returns 0 if successful, or a negative error code.
+ */
+int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid)
+{
+	int err;
+	struct snd_kcontrol *kctl;
+	struct snd_kcontrol_new *dig_mix;
+	int idx;
+
+	for (idx = 0; idx < SPDIF_MAX_IDX; idx++) {
+		if (!_snd_hda_find_mixer_ctl(codec, "IEC958 Capture Switch",
+					     idx))
+			break;
+	}
+	if (idx >= SPDIF_MAX_IDX) {
+		printk(KERN_ERR "hda_codec: too many IEC958 inputs\n");
+		return -EBUSY;
+	}
+	for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) {
+		kctl = snd_ctl_new1(dig_mix, codec);
+		kctl->private_value = nid;
+		err = snd_ctl_add(codec->bus->card, kctl);
+		if (err < 0)
+			return err;
+	}
+	codec->spdif_in_enable =
+		snd_hda_codec_read(codec, nid, 0,
+				   AC_VERB_GET_DIGI_CONVERT_1, 0) &
+		AC_DIG1_ENABLE;
+	return 0;
+}
+
+#ifdef SND_HDA_NEEDS_RESUME
+/*
+ * command cache
+ */
+
+/* build a 32bit cache key with the widget id and the command parameter */
+#define build_cmd_cache_key(nid, verb)	((verb << 8) | nid)
+#define get_cmd_cache_nid(key)		((key) & 0xff)
+#define get_cmd_cache_cmd(key)		(((key) >> 8) & 0xffff)
+
+/**
+ * snd_hda_codec_write_cache - send a single command with caching
+ * @codec: the HDA codec
+ * @nid: NID to send the command
+ * @direct: direct flag
+ * @verb: the verb to send
+ * @parm: the parameter for the verb
+ *
+ * Send a single command without waiting for response.
+ *
+ * Returns 0 if successful, or a negative error code.
+ */
+int snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid,
+			      int direct, unsigned int verb, unsigned int parm)
+{
+	int err;
+	snd_hda_power_up(codec);
+	mutex_lock(&codec->bus->cmd_mutex);
+	err = codec->bus->ops.command(codec, nid, direct, verb, parm);
+	if (!err) {
+		struct hda_cache_head *c;
+		u32 key = build_cmd_cache_key(nid, verb);
+		c = get_alloc_hash(&codec->cmd_cache, key);
+		if (c)
+			c->val = parm;
+	}
+	mutex_unlock(&codec->bus->cmd_mutex);
+	snd_hda_power_down(codec);
+	return err;
+}
+
+/* resume the all commands from the cache */
+void snd_hda_codec_resume_cache(struct hda_codec *codec)
+{
+	struct hda_cache_head *buffer = codec->cmd_cache.buffer;
+	int i;
+
+	for (i = 0; i < codec->cmd_cache.size; i++, buffer++) {
+		u32 key = buffer->key;
+		if (!key)
+			continue;
+		snd_hda_codec_write(codec, get_cmd_cache_nid(key), 0,
+				    get_cmd_cache_cmd(key), buffer->val);
+	}
+}
+
+/**
+ * snd_hda_sequence_write_cache - sequence writes with caching
+ * @codec: the HDA codec
+ * @seq: VERB array to send
+ *
+ * Send the commands sequentially from the given array.
+ * Thte commands are recorded on cache for power-save and resume.
+ * The array must be terminated with NID=0.
+ */
+void snd_hda_sequence_write_cache(struct hda_codec *codec,
+				  const struct hda_verb *seq)
+{
+	for (; seq->nid; seq++)
+		snd_hda_codec_write_cache(codec, seq->nid, 0, seq->verb,
+					  seq->param);
+}
+#endif /* SND_HDA_NEEDS_RESUME */
+
+/*
+ * set power state of the codec
+ */
+static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
+				unsigned int power_state)
+{
+	hda_nid_t nid;
+	int i;
+
+	snd_hda_codec_write(codec, fg, 0, AC_VERB_SET_POWER_STATE,
+			    power_state);
+	msleep(10); /* partial workaround for "azx_get_response timeout" */
+
+	nid = codec->start_nid;
+	for (i = 0; i < codec->num_nodes; i++, nid++) {
+		unsigned int wcaps = get_wcaps(codec, nid);
+		if (wcaps & AC_WCAP_POWER) {
+			unsigned int wid_type = (wcaps & AC_WCAP_TYPE) >>
+				AC_WCAP_TYPE_SHIFT;
+			if (wid_type == AC_WID_PIN) {
+				unsigned int pincap;
+				/*
+				 * don't power down the widget if it controls
+				 * eapd and EAPD_BTLENABLE is set.
+				 */
+				pincap = snd_hda_param_read(codec, nid,
+							    AC_PAR_PIN_CAP);
+				if (pincap & AC_PINCAP_EAPD) {
+					int eapd = snd_hda_codec_read(codec,
+						nid, 0,
+						AC_VERB_GET_EAPD_BTLENABLE, 0);
+					eapd &= 0x02;
+					if (power_state == AC_PWRST_D3 && eapd)
+						continue;
+				}
+			}
+			snd_hda_codec_write(codec, nid, 0,
+					    AC_VERB_SET_POWER_STATE,
+					    power_state);
+		}
+	}
+
+	if (power_state == AC_PWRST_D0) {
+		unsigned long end_time;
+		int state;
+		msleep(10);
+		/* wait until the codec reachs to D0 */
+		end_time = jiffies + msecs_to_jiffies(500);
+		do {
+			state = snd_hda_codec_read(codec, fg, 0,
+						   AC_VERB_GET_POWER_STATE, 0);
+			if (state == power_state)
+				break;
+			msleep(1);
+		} while (time_after_eq(end_time, jiffies));
+	}
+}
+
+#ifdef SND_HDA_NEEDS_RESUME
+/*
+ * call suspend and power-down; used both from PM and power-save
+ */
+static void hda_call_codec_suspend(struct hda_codec *codec)
+{
+	if (codec->patch_ops.suspend)
+		codec->patch_ops.suspend(codec, PMSG_SUSPEND);
+	hda_set_power_state(codec,
+			    codec->afg ? codec->afg : codec->mfg,
+			    AC_PWRST_D3);
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+	cancel_delayed_work(&codec->power_work);
+	codec->power_on = 0;
+	codec->power_transition = 0;
+#endif
+}
+
+/*
+ * kick up codec; used both from PM and power-save
+ */
+static void hda_call_codec_resume(struct hda_codec *codec)
+{
+	hda_set_power_state(codec,
+			    codec->afg ? codec->afg : codec->mfg,
+			    AC_PWRST_D0);
+	if (codec->patch_ops.resume)
+		codec->patch_ops.resume(codec);
+	else {
+		if (codec->patch_ops.init)
+			codec->patch_ops.init(codec);
+		snd_hda_codec_resume_amp(codec);
+		snd_hda_codec_resume_cache(codec);
+	}
+}
+#endif /* SND_HDA_NEEDS_RESUME */
+
+
+/**
+ * snd_hda_build_controls - build mixer controls
+ * @bus: the BUS
+ *
+ * Creates mixer controls for each codec included in the bus.
+ *
+ * Returns 0 if successful, otherwise a negative error code.
+ */
+int __devinit snd_hda_build_controls(struct hda_bus *bus)
+{
+	struct hda_codec *codec;
+
+	list_for_each_entry(codec, &bus->codec_list, list) {
+		int err = 0;
+		/* fake as if already powered-on */
+		hda_keep_power_on(codec);
+		/* then fire up */
+		hda_set_power_state(codec,
+				    codec->afg ? codec->afg : codec->mfg,
+				    AC_PWRST_D0);
+		/* continue to initialize... */
+		if (codec->patch_ops.init)
+			err = codec->patch_ops.init(codec);
+		if (!err && codec->patch_ops.build_controls)
+			err = codec->patch_ops.build_controls(codec);
+		snd_hda_power_down(codec);
+		if (err < 0)
+			return err;
+	}
+
+	return 0;
+}
+
+/*
+ * stream formats
+ */
+struct hda_rate_tbl {
+	unsigned int hz;
+	unsigned int alsa_bits;
+	unsigned int hda_fmt;
+};
+
+static struct hda_rate_tbl rate_bits[] = {
+	/* rate in Hz, ALSA rate bitmask, HDA format value */
+
+	/* autodetected value used in snd_hda_query_supported_pcm */
+	{ 8000, SNDRV_PCM_RATE_8000, 0x0500 }, /* 1/6 x 48 */
+	{ 11025, SNDRV_PCM_RATE_11025, 0x4300 }, /* 1/4 x 44 */
+	{ 16000, SNDRV_PCM_RATE_16000, 0x0200 }, /* 1/3 x 48 */
+	{ 22050, SNDRV_PCM_RATE_22050, 0x4100 }, /* 1/2 x 44 */
+	{ 32000, SNDRV_PCM_RATE_32000, 0x0a00 }, /* 2/3 x 48 */
+	{ 44100, SNDRV_PCM_RATE_44100, 0x4000 }, /* 44 */
+	{ 48000, SNDRV_PCM_RATE_48000, 0x0000 }, /* 48 */
+	{ 88200, SNDRV_PCM_RATE_88200, 0x4800 }, /* 2 x 44 */
+	{ 96000, SNDRV_PCM_RATE_96000, 0x0800 }, /* 2 x 48 */
+	{ 176400, SNDRV_PCM_RATE_176400, 0x5800 },/* 4 x 44 */
+	{ 192000, SNDRV_PCM_RATE_192000, 0x1800 }, /* 4 x 48 */
+#define AC_PAR_PCM_RATE_BITS	11
+	/* up to bits 10, 384kHZ isn't supported properly */
+
+	/* not autodetected value */
+	{ 9600, SNDRV_PCM_RATE_KNOT, 0x0400 }, /* 1/5 x 48 */
+
+	{ 0 } /* terminator */
+};
+
+/**
+ * snd_hda_calc_stream_format - calculate format bitset
+ * @rate: the sample rate
+ * @channels: the number of channels
+ * @format: the PCM format (SNDRV_PCM_FORMAT_XXX)
+ * @maxbps: the max. bps
+ *
+ * Calculate the format bitset from the given rate, channels and th PCM format.
+ *
+ * Return zero if invalid.
+ */
+unsigned int snd_hda_calc_stream_format(unsigned int rate,
+					unsigned int channels,
+					unsigned int format,
+					unsigned int maxbps)
+{
+	int i;
+	unsigned int val = 0;
+
+	for (i = 0; rate_bits[i].hz; i++)
+		if (rate_bits[i].hz == rate) {
+			val = rate_bits[i].hda_fmt;
+			break;
+		}
+	if (!rate_bits[i].hz) {
+		snd_printdd("invalid rate %d\n", rate);
+		return 0;
+	}
+
+	if (channels == 0 || channels > 8) {
+		snd_printdd("invalid channels %d\n", channels);
+		return 0;
+	}
+	val |= channels - 1;
+
+	switch (snd_pcm_format_width(format)) {
+	case 8:  val |= 0x00; break;
+	case 16: val |= 0x10; break;
+	case 20:
+	case 24:
+	case 32:
+		if (maxbps >= 32)
+			val |= 0x40;
+		else if (maxbps >= 24)
+			val |= 0x30;
+		else
+			val |= 0x20;
+		break;
+	default:
+		snd_printdd("invalid format width %d\n",
+			    snd_pcm_format_width(format));
+		return 0;
+	}
+
+	return val;
+}
+
+/**
+ * snd_hda_query_supported_pcm - query the supported PCM rates and formats
+ * @codec: the HDA codec
+ * @nid: NID to query
+ * @ratesp: the pointer to store the detected rate bitflags
+ * @formatsp: the pointer to store the detected formats
+ * @bpsp: the pointer to store the detected format widths
+ *
+ * Queries the supported PCM rates and formats.  The NULL @ratesp, @formatsp
+ * or @bsps argument is ignored.
+ *
+ * Returns 0 if successful, otherwise a negative error code.
+ */
+int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
+				u32 *ratesp, u64 *formatsp, unsigned int *bpsp)
+{
+	int i;
+	unsigned int val, streams;
+
+	val = 0;
+	if (nid != codec->afg &&
+	    (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) {
+		val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
+		if (val == -1)
+			return -EIO;
+	}
+	if (!val)
+		val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
+
+	if (ratesp) {
+		u32 rates = 0;
+		for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++) {
+			if (val & (1 << i))
+				rates |= rate_bits[i].alsa_bits;
+		}
+		*ratesp = rates;
+	}
+
+	if (formatsp || bpsp) {
+		u64 formats = 0;
+		unsigned int bps;
+		unsigned int wcaps;
+
+		wcaps = get_wcaps(codec, nid);
+		streams = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
+		if (streams == -1)
+			return -EIO;
+		if (!streams) {
+			streams = snd_hda_param_read(codec, codec->afg,
+						     AC_PAR_STREAM);
+			if (streams == -1)
+				return -EIO;
+		}
+
+		bps = 0;
+		if (streams & AC_SUPFMT_PCM) {
+			if (val & AC_SUPPCM_BITS_8) {
+				formats |= SNDRV_PCM_FMTBIT_U8;
+				bps = 8;
+			}
+			if (val & AC_SUPPCM_BITS_16) {
+				formats |= SNDRV_PCM_FMTBIT_S16_LE;
+				bps = 16;
+			}
+			if (wcaps & AC_WCAP_DIGITAL) {
+				if (val & AC_SUPPCM_BITS_32)
+					formats |= SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE;
+				if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24))
+					formats |= SNDRV_PCM_FMTBIT_S32_LE;
+				if (val & AC_SUPPCM_BITS_24)
+					bps = 24;
+				else if (val & AC_SUPPCM_BITS_20)
+					bps = 20;
+			} else if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24|
+					  AC_SUPPCM_BITS_32)) {
+				formats |= SNDRV_PCM_FMTBIT_S32_LE;
+				if (val & AC_SUPPCM_BITS_32)
+					bps = 32;
+				else if (val & AC_SUPPCM_BITS_24)
+					bps = 24;
+				else if (val & AC_SUPPCM_BITS_20)
+					bps = 20;
+			}
+		}
+		else if (streams == AC_SUPFMT_FLOAT32) {
+			/* should be exclusive */
+			formats |= SNDRV_PCM_FMTBIT_FLOAT_LE;
+			bps = 32;
+		} else if (streams == AC_SUPFMT_AC3) {
+			/* should be exclusive */
+			/* temporary hack: we have still no proper support
+			 * for the direct AC3 stream...
+			 */
+			formats |= SNDRV_PCM_FMTBIT_U8;
+			bps = 8;
+		}
+		if (formatsp)
+			*formatsp = formats;
+		if (bpsp)
+			*bpsp = bps;
+	}
+
+	return 0;
+}
+
+/**
+ * snd_hda_is_supported_format - check whether the given node supports
+ * the format val
+ *
+ * Returns 1 if supported, 0 if not.
+ */
+int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid,
+				unsigned int format)
+{
+	int i;
+	unsigned int val = 0, rate, stream;
+
+	if (nid != codec->afg &&
+	    (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) {
+		val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
+		if (val == -1)
+			return 0;
+	}
+	if (!val) {
+		val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
+		if (val == -1)
+			return 0;
+	}
+
+	rate = format & 0xff00;
+	for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++)
+		if (rate_bits[i].hda_fmt == rate) {
+			if (val & (1 << i))
+				break;
+			return 0;
+		}
+	if (i >= AC_PAR_PCM_RATE_BITS)
+		return 0;
+
+	stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
+	if (stream == -1)
+		return 0;
+	if (!stream && nid != codec->afg)
+		stream = snd_hda_param_read(codec, codec->afg, AC_PAR_STREAM);
+	if (!stream || stream == -1)
+		return 0;
+
+	if (stream & AC_SUPFMT_PCM) {
+		switch (format & 0xf0) {
+		case 0x00:
+			if (!(val & AC_SUPPCM_BITS_8))
+				return 0;
+			break;
+		case 0x10:
+			if (!(val & AC_SUPPCM_BITS_16))
+				return 0;
+			break;
+		case 0x20:
+			if (!(val & AC_SUPPCM_BITS_20))
+				return 0;
+			break;
+		case 0x30:
+			if (!(val & AC_SUPPCM_BITS_24))
+				return 0;
+			break;
+		case 0x40:
+			if (!(val & AC_SUPPCM_BITS_32))
+				return 0;
+			break;
+		default:
+			return 0;
+		}
+	} else {
+		/* FIXME: check for float32 and AC3? */
+	}
+
+	return 1;
+}
+
+/*
+ * PCM stuff
+ */
+static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo,
+				      struct hda_codec *codec,
+				      struct snd_pcm_substream *substream)
+{
+	return 0;
+}
+
+static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo,
+				   struct hda_codec *codec,
+				   unsigned int stream_tag,
+				   unsigned int format,
+				   struct snd_pcm_substream *substream)
+{
+	snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format);
+	return 0;
+}
+
+static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo,
+				   struct hda_codec *codec,
+				   struct snd_pcm_substream *substream)
+{
+	snd_hda_codec_cleanup_stream(codec, hinfo->nid);
+	return 0;
+}
+
+static int __devinit set_pcm_default_values(struct hda_codec *codec,
+					    struct hda_pcm_stream *info)
+{
+	/* query support PCM information from the given NID */
+	if (info->nid && (!info->rates || !info->formats)) {
+		snd_hda_query_supported_pcm(codec, info->nid,
+				info->rates ? NULL : &info->rates,
+				info->formats ? NULL : &info->formats,
+				info->maxbps ? NULL : &info->maxbps);
+	}
+	if (info->ops.open == NULL)
+		info->ops.open = hda_pcm_default_open_close;
+	if (info->ops.close == NULL)
+		info->ops.close = hda_pcm_default_open_close;
+	if (info->ops.prepare == NULL) {
+		if (snd_BUG_ON(!info->nid))
+			return -EINVAL;
+		info->ops.prepare = hda_pcm_default_prepare;
+	}
+	if (info->ops.cleanup == NULL) {
+		if (snd_BUG_ON(!info->nid))
+			return -EINVAL;
+		info->ops.cleanup = hda_pcm_default_cleanup;
+	}
+	return 0;
+}
+
+/**
+ * snd_hda_build_pcms - build PCM information
+ * @bus: the BUS
+ *
+ * Create PCM information for each codec included in the bus.
+ *
+ * The build_pcms codec patch is requested to set up codec->num_pcms and
+ * codec->pcm_info properly.  The array is referred by the top-level driver
+ * to create its PCM instances.
+ * The allocated codec->pcm_info should be released in codec->patch_ops.free
+ * callback.
+ *
+ * At least, substreams, channels_min and channels_max must be filled for
+ * each stream.  substreams = 0 indicates that the stream doesn't exist.
+ * When rates and/or formats are zero, the supported values are queried
+ * from the given nid.  The nid is used also by the default ops.prepare
+ * and ops.cleanup callbacks.
+ *
+ * The driver needs to call ops.open in its open callback.  Similarly,
+ * ops.close is supposed to be called in the close callback.
+ * ops.prepare should be called in the prepare or hw_params callback
+ * with the proper parameters for set up.
+ * ops.cleanup should be called in hw_free for clean up of streams.
+ *
+ * This function returns 0 if successfull, or a negative error code.
+ */
+int __devinit snd_hda_build_pcms(struct hda_bus *bus)
+{
+	struct hda_codec *codec;
+
+	list_for_each_entry(codec, &bus->codec_list, list) {
+		unsigned int pcm, s;
+		int err;
+		if (!codec->patch_ops.build_pcms)
+			continue;
+		err = codec->patch_ops.build_pcms(codec);
+		if (err < 0)
+			return err;
+		for (pcm = 0; pcm < codec->num_pcms; pcm++) {
+			for (s = 0; s < 2; s++) {
+				struct hda_pcm_stream *info;
+				info = &codec->pcm_info[pcm].stream[s];
+				if (!info->substreams)
+					continue;
+				err = set_pcm_default_values(codec, info);
+				if (err < 0)
+					return err;
+			}
+		}
+	}
+	return 0;
+}
+
+/**
+ * snd_hda_check_board_config - compare the current codec with the config table
+ * @codec: the HDA codec
+ * @num_configs: number of config enums
+ * @models: array of model name strings
+ * @tbl: configuration table, terminated by null entries
+ *
+ * Compares the modelname or PCI subsystem id of the current codec with the
+ * given configuration table.  If a matching entry is found, returns its
+ * config value (supposed to be 0 or positive).
+ *
+ * If no entries are matching, the function returns a negative value.
+ */
+int snd_hda_check_board_config(struct hda_codec *codec,
+			       int num_configs, const char **models,
+			       const struct snd_pci_quirk *tbl)
+{
+	if (codec->bus->modelname && models) {
+		int i;
+		for (i = 0; i < num_configs; i++) {
+			if (models[i] &&
+			    !strcmp(codec->bus->modelname, models[i])) {
+				snd_printd(KERN_INFO "hda_codec: model '%s' is "
+					   "selected\n", models[i]);
+				return i;
+			}
+		}
+	}
+
+	if (!codec->bus->pci || !tbl)
+		return -1;
+
+	tbl = snd_pci_quirk_lookup(codec->bus->pci, tbl);
+	if (!tbl)
+		return -1;
+	if (tbl->value >= 0 && tbl->value < num_configs) {
+#ifdef CONFIG_SND_DEBUG_VERBOSE
+		char tmp[10];
+		const char *model = NULL;
+		if (models)
+			model = models[tbl->value];
+		if (!model) {
+			sprintf(tmp, "#%d", tbl->value);
+			model = tmp;
+		}
+		snd_printdd(KERN_INFO "hda_codec: model '%s' is selected "
+			    "for config %x:%x (%s)\n",
+			    model, tbl->subvendor, tbl->subdevice,
+			    (tbl->name ? tbl->name : "Unknown device"));
+#endif
+		return tbl->value;
+	}
+	return -1;
+}
+
+/**
+ * snd_hda_add_new_ctls - create controls from the array
+ * @codec: the HDA codec
+ * @knew: the array of struct snd_kcontrol_new
+ *
+ * This helper function creates and add new controls in the given array.
+ * The array must be terminated with an empty entry as terminator.
+ *
+ * Returns 0 if successful, or a negative error code.
+ */
+int snd_hda_add_new_ctls(struct hda_codec *codec, struct snd_kcontrol_new *knew)
+{
+ 	int err;
+
+	for (; knew->name; knew++) {
+		struct snd_kcontrol *kctl;
+		kctl = snd_ctl_new1(knew, codec);
+		if (!kctl)
+			return -ENOMEM;
+		err = snd_ctl_add(codec->bus->card, kctl);
+		if (err < 0) {
+			if (!codec->addr)
+				return err;
+			kctl = snd_ctl_new1(knew, codec);
+			if (!kctl)
+				return -ENOMEM;
+			kctl->id.device = codec->addr;
+			err = snd_ctl_add(codec->bus->card, kctl);
+			if (err < 0)
+				return err;
+		}
+	}
+	return 0;
+}
+
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
+				unsigned int power_state);
+
+static void hda_power_work(struct work_struct *work)
+{
+	struct hda_codec *codec =
+		container_of(work, struct hda_codec, power_work.work);
+
+	if (!codec->power_on || codec->power_count) {
+		codec->power_transition = 0;
+		return;
+	}
+
+	hda_call_codec_suspend(codec);
+	if (codec->bus->ops.pm_notify)
+		codec->bus->ops.pm_notify(codec);
+}
+
+static void hda_keep_power_on(struct hda_codec *codec)
+{
+	codec->power_count++;
+	codec->power_on = 1;
+}
+
+void snd_hda_power_up(struct hda_codec *codec)
+{
+	codec->power_count++;
+	if (codec->power_on || codec->power_transition)
+		return;
+
+	codec->power_on = 1;
+	if (codec->bus->ops.pm_notify)
+		codec->bus->ops.pm_notify(codec);
+	hda_call_codec_resume(codec);
+	cancel_delayed_work(&codec->power_work);
+	codec->power_transition = 0;
+}
+
+void snd_hda_power_down(struct hda_codec *codec)
+{
+	--codec->power_count;
+	if (!codec->power_on || codec->power_count || codec->power_transition)
+		return;
+	if (power_save) {
+		codec->power_transition = 1; /* avoid reentrance */
+		schedule_delayed_work(&codec->power_work,
+				      msecs_to_jiffies(power_save * 1000));
+	}
+}
+
+int snd_hda_check_amp_list_power(struct hda_codec *codec,
+				 struct hda_loopback_check *check,
+				 hda_nid_t nid)
+{
+	struct hda_amp_list *p;
+	int ch, v;
+
+	if (!check->amplist)
+		return 0;
+	for (p = check->amplist; p->nid; p++) {
+		if (p->nid == nid)
+			break;
+	}
+	if (!p->nid)
+		return 0; /* nothing changed */
+
+	for (p = check->amplist; p->nid; p++) {
+		for (ch = 0; ch < 2; ch++) {
+			v = snd_hda_codec_amp_read(codec, p->nid, ch, p->dir,
+						   p->idx);
+			if (!(v & HDA_AMP_MUTE) && v > 0) {
+				if (!check->power_on) {
+					check->power_on = 1;
+					snd_hda_power_up(codec);
+				}
+				return 1;
+			}
+		}
+	}
+	if (check->power_on) {
+		check->power_on = 0;
+		snd_hda_power_down(codec);
+	}
+	return 0;
+}
+#endif
+
+/*
+ * Channel mode helper
+ */
+int snd_hda_ch_mode_info(struct hda_codec *codec,
+			 struct snd_ctl_elem_info *uinfo,
+			 const struct hda_channel_mode *chmode,
+			 int num_chmodes)
+{
+	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+	uinfo->count = 1;
+	uinfo->value.enumerated.items = num_chmodes;
+	if (uinfo->value.enumerated.item >= num_chmodes)
+		uinfo->value.enumerated.item = num_chmodes - 1;
+	sprintf(uinfo->value.enumerated.name, "%dch",
+		chmode[uinfo->value.enumerated.item].channels);
+	return 0;
+}
+
+int snd_hda_ch_mode_get(struct hda_codec *codec,
+			struct snd_ctl_elem_value *ucontrol,
+			const struct hda_channel_mode *chmode,
+			int num_chmodes,
+			int max_channels)
+{
+	int i;
+
+	for (i = 0; i < num_chmodes; i++) {
+		if (max_channels == chmode[i].channels) {
+			ucontrol->value.enumerated.item[0] = i;
+			break;
+		}
+	}
+	return 0;
+}
+
+int snd_hda_ch_mode_put(struct hda_codec *codec,
+			struct snd_ctl_elem_value *ucontrol,
+			const struct hda_channel_mode *chmode,
+			int num_chmodes,
+			int *max_channelsp)
+{
+	unsigned int mode;
+
+	mode = ucontrol->value.enumerated.item[0];
+	if (mode >= num_chmodes)
+		return -EINVAL;
+	if (*max_channelsp == chmode[mode].channels)
+		return 0;
+	/* change the current channel setting */
+	*max_channelsp = chmode[mode].channels;
+	if (chmode[mode].sequence)
+		snd_hda_sequence_write_cache(codec, chmode[mode].sequence);
+	return 1;
+}
+
+/*
+ * input MUX helper
+ */
+int snd_hda_input_mux_info(const struct hda_input_mux *imux,
+			   struct snd_ctl_elem_info *uinfo)
+{
+	unsigned int index;
+
+	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+	uinfo->count = 1;
+	uinfo->value.enumerated.items = imux->num_items;
+	if (!imux->num_items)
+		return 0;
+	index = uinfo->value.enumerated.item;
+	if (index >= imux->num_items)
+		index = imux->num_items - 1;
+	strcpy(uinfo->value.enumerated.name, imux->items[index].label);
+	return 0;
+}
+
+int snd_hda_input_mux_put(struct hda_codec *codec,
+			  const struct hda_input_mux *imux,
+			  struct snd_ctl_elem_value *ucontrol,
+			  hda_nid_t nid,
+			  unsigned int *cur_val)
+{
+	unsigned int idx;
+
+	if (!imux->num_items)
+		return 0;
+	idx = ucontrol->value.enumerated.item[0];
+	if (idx >= imux->num_items)
+		idx = imux->num_items - 1;
+	if (*cur_val == idx)
+		return 0;
+	snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_CONNECT_SEL,
+				  imux->items[idx].index);
+	*cur_val = idx;
+	return 1;
+}
+
+
+/*
+ * Multi-channel / digital-out PCM helper functions
+ */
+
+/* setup SPDIF output stream */
+static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid,
+				 unsigned int stream_tag, unsigned int format)
+{
+	/* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
+	if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE))
+		set_dig_out_convert(codec, nid, 
+				    codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff,
+				    -1);
+	snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format);
+	if (codec->slave_dig_outs) {
+		hda_nid_t *d;
+		for (d = codec->slave_dig_outs; *d; d++)
+			snd_hda_codec_setup_stream(codec, *d, stream_tag, 0,
+						   format);
+	}
+	/* turn on again (if needed) */
+	if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE))
+		set_dig_out_convert(codec, nid,
+				    codec->spdif_ctls & 0xff, -1);
+}
+
+static void cleanup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid)
+{
+	snd_hda_codec_cleanup_stream(codec, nid);
+	if (codec->slave_dig_outs) {
+		hda_nid_t *d;
+		for (d = codec->slave_dig_outs; *d; d++)
+			snd_hda_codec_cleanup_stream(codec, *d);
+	}
+}
+
+/*
+ * open the digital out in the exclusive mode
+ */
+int snd_hda_multi_out_dig_open(struct hda_codec *codec,
+			       struct hda_multi_out *mout)
+{
+	mutex_lock(&codec->spdif_mutex);
+	if (mout->dig_out_used == HDA_DIG_ANALOG_DUP)
+		/* already opened as analog dup; reset it once */
+		cleanup_dig_out_stream(codec, mout->dig_out_nid);
+	mout->dig_out_used = HDA_DIG_EXCLUSIVE;
+	mutex_unlock(&codec->spdif_mutex);
+	return 0;
+}
+
+int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
+				  struct hda_multi_out *mout,
+				  unsigned int stream_tag,
+				  unsigned int format,
+				  struct snd_pcm_substream *substream)
+{
+	mutex_lock(&codec->spdif_mutex);
+	setup_dig_out_stream(codec, mout->dig_out_nid, stream_tag, format);
+	mutex_unlock(&codec->spdif_mutex);
+	return 0;
+}
+
+/*
+ * release the digital out
+ */
+int snd_hda_multi_out_dig_close(struct hda_codec *codec,
+				struct hda_multi_out *mout)
+{
+	mutex_lock(&codec->spdif_mutex);
+	mout->dig_out_used = 0;
+	mutex_unlock(&codec->spdif_mutex);
+	return 0;
+}
+
+/*
+ * set up more restrictions for analog out
+ */
+int snd_hda_multi_out_analog_open(struct hda_codec *codec,
+				  struct hda_multi_out *mout,
+				  struct snd_pcm_substream *substream,
+				  struct hda_pcm_stream *hinfo)
+{
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	runtime->hw.channels_max = mout->max_channels;
+	if (mout->dig_out_nid) {
+		if (!mout->analog_rates) {
+			mout->analog_rates = hinfo->rates;
+			mout->analog_formats = hinfo->formats;
+			mout->analog_maxbps = hinfo->maxbps;
+		} else {
+			runtime->hw.rates = mout->analog_rates;
+			runtime->hw.formats = mout->analog_formats;
+			hinfo->maxbps = mout->analog_maxbps;
+		}
+		if (!mout->spdif_rates) {
+			snd_hda_query_supported_pcm(codec, mout->dig_out_nid,
+						    &mout->spdif_rates,
+						    &mout->spdif_formats,
+						    &mout->spdif_maxbps);
+		}
+		mutex_lock(&codec->spdif_mutex);
+		if (mout->share_spdif) {
+			runtime->hw.rates &= mout->spdif_rates;
+			runtime->hw.formats &= mout->spdif_formats;
+			if (mout->spdif_maxbps < hinfo->maxbps)
+				hinfo->maxbps = mout->spdif_maxbps;
+		}
+		mutex_unlock(&codec->spdif_mutex);
+	}
+	return snd_pcm_hw_constraint_step(substream->runtime, 0,
+					  SNDRV_PCM_HW_PARAM_CHANNELS, 2);
+}
+
+/*
+ * set up the i/o for analog out
+ * when the digital out is available, copy the front out to digital out, too.
+ */
+int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
+				     struct hda_multi_out *mout,
+				     unsigned int stream_tag,
+				     unsigned int format,
+				     struct snd_pcm_substream *substream)
+{
+	hda_nid_t *nids = mout->dac_nids;
+	int chs = substream->runtime->channels;
+	int i;
+
+	mutex_lock(&codec->spdif_mutex);
+	if (mout->dig_out_nid && mout->share_spdif &&
+	    mout->dig_out_used != HDA_DIG_EXCLUSIVE) {
+		if (chs == 2 &&
+		    snd_hda_is_supported_format(codec, mout->dig_out_nid,
+						format) &&
+		    !(codec->spdif_status & IEC958_AES0_NONAUDIO)) {
+			mout->dig_out_used = HDA_DIG_ANALOG_DUP;
+			setup_dig_out_stream(codec, mout->dig_out_nid,
+					     stream_tag, format);
+		} else {
+			mout->dig_out_used = 0;
+			cleanup_dig_out_stream(codec, mout->dig_out_nid);
+		}
+	}
+	mutex_unlock(&codec->spdif_mutex);
+
+	/* front */
+	snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag,
+				   0, format);
+	if (!mout->no_share_stream &&
+	    mout->hp_nid && mout->hp_nid != nids[HDA_FRONT])
+		/* headphone out will just decode front left/right (stereo) */
+		snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag,
+					   0, format);
+	/* extra outputs copied from front */
+	for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
+		if (!mout->no_share_stream && mout->extra_out_nid[i])
+			snd_hda_codec_setup_stream(codec,
+						   mout->extra_out_nid[i],
+						   stream_tag, 0, format);
+
+	/* surrounds */
+	for (i = 1; i < mout->num_dacs; i++) {
+		if (chs >= (i + 1) * 2) /* independent out */
+			snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
+						   i * 2, format);
+		else if (!mout->no_share_stream) /* copy front */
+			snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
+						   0, format);
+	}
+	return 0;
+}
+
+/*
+ * clean up the setting for analog out
+ */
+int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
+				     struct hda_multi_out *mout)
+{
+	hda_nid_t *nids = mout->dac_nids;
+	int i;
+
+	for (i = 0; i < mout->num_dacs; i++)
+		snd_hda_codec_cleanup_stream(codec, nids[i]);
+	if (mout->hp_nid)
+		snd_hda_codec_cleanup_stream(codec, mout->hp_nid);
+	for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
+		if (mout->extra_out_nid[i])
+			snd_hda_codec_cleanup_stream(codec,
+						     mout->extra_out_nid[i]);
+	mutex_lock(&codec->spdif_mutex);
+	if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) {
+		cleanup_dig_out_stream(codec, mout->dig_out_nid);
+		mout->dig_out_used = 0;
+	}
+	mutex_unlock(&codec->spdif_mutex);
+	return 0;
+}
+
+/*
+ * Helper for automatic pin configuration
+ */
+
+static int is_in_nid_list(hda_nid_t nid, hda_nid_t *list)
+{
+	for (; *list; list++)
+		if (*list == nid)
+			return 1;
+	return 0;
+}
+
+
+/*
+ * Sort an associated group of pins according to their sequence numbers.
+ */
+static void sort_pins_by_sequence(hda_nid_t * pins, short * sequences,
+				  int num_pins)
+{
+	int i, j;
+	short seq;
+	hda_nid_t nid;
+	
+	for (i = 0; i < num_pins; i++) {
+		for (j = i + 1; j < num_pins; j++) {
+			if (sequences[i] > sequences[j]) {
+				seq = sequences[i];
+				sequences[i] = sequences[j];
+				sequences[j] = seq;
+				nid = pins[i];
+				pins[i] = pins[j];
+				pins[j] = nid;
+			}
+		}
+	}
+}
+
+
+/*
+ * Parse all pin widgets and store the useful pin nids to cfg
+ *
+ * The number of line-outs or any primary output is stored in line_outs,
+ * and the corresponding output pins are assigned to line_out_pins[],
+ * in the order of front, rear, CLFE, side, ...
+ *
+ * If more extra outputs (speaker and headphone) are found, the pins are
+ * assisnged to hp_pins[] and speaker_pins[], respectively.  If no line-out jack
+ * is detected, one of speaker of HP pins is assigned as the primary
+ * output, i.e. to line_out_pins[0].  So, line_outs is always positive
+ * if any analog output exists.
+ * 
+ * The analog input pins are assigned to input_pins array.
+ * The digital input/output pins are assigned to dig_in_pin and dig_out_pin,
+ * respectively.
+ */
+int snd_hda_parse_pin_def_config(struct hda_codec *codec,
+				 struct auto_pin_cfg *cfg,
+				 hda_nid_t *ignore_nids)
+{
+	hda_nid_t nid, end_nid;
+	short seq, assoc_line_out, assoc_speaker;
+	short sequences_line_out[ARRAY_SIZE(cfg->line_out_pins)];
+	short sequences_speaker[ARRAY_SIZE(cfg->speaker_pins)];
+	short sequences_hp[ARRAY_SIZE(cfg->hp_pins)];
+
+	memset(cfg, 0, sizeof(*cfg));
+
+	memset(sequences_line_out, 0, sizeof(sequences_line_out));
+	memset(sequences_speaker, 0, sizeof(sequences_speaker));
+	memset(sequences_hp, 0, sizeof(sequences_hp));
+	assoc_line_out = assoc_speaker = 0;
+
+	end_nid = codec->start_nid + codec->num_nodes;
+	for (nid = codec->start_nid; nid < end_nid; nid++) {
+		unsigned int wid_caps = get_wcaps(codec, nid);
+		unsigned int wid_type =
+			(wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
+		unsigned int def_conf;
+		short assoc, loc;
+
+		/* read all default configuration for pin complex */
+		if (wid_type != AC_WID_PIN)
+			continue;
+		/* ignore the given nids (e.g. pc-beep returns error) */
+		if (ignore_nids && is_in_nid_list(nid, ignore_nids))
+			continue;
+
+		def_conf = snd_hda_codec_read(codec, nid, 0,
+					      AC_VERB_GET_CONFIG_DEFAULT, 0);
+		if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE)
+			continue;
+		loc = get_defcfg_location(def_conf);
+		switch (get_defcfg_device(def_conf)) {
+		case AC_JACK_LINE_OUT:
+			seq = get_defcfg_sequence(def_conf);
+			assoc = get_defcfg_association(def_conf);
+
+			if (!(wid_caps & AC_WCAP_STEREO))
+				if (!cfg->mono_out_pin)
+					cfg->mono_out_pin = nid;
+			if (!assoc)
+				continue;
+			if (!assoc_line_out)
+				assoc_line_out = assoc;
+			else if (assoc_line_out != assoc)
+				continue;
+			if (cfg->line_outs >= ARRAY_SIZE(cfg->line_out_pins))
+				continue;
+			cfg->line_out_pins[cfg->line_outs] = nid;
+			sequences_line_out[cfg->line_outs] = seq;
+			cfg->line_outs++;
+			break;
+		case AC_JACK_SPEAKER:
+			seq = get_defcfg_sequence(def_conf);
+			assoc = get_defcfg_association(def_conf);
+			if (! assoc)
+				continue;
+			if (! assoc_speaker)
+				assoc_speaker = assoc;
+			else if (assoc_speaker != assoc)
+				continue;
+			if (cfg->speaker_outs >= ARRAY_SIZE(cfg->speaker_pins))
+				continue;
+			cfg->speaker_pins[cfg->speaker_outs] = nid;
+			sequences_speaker[cfg->speaker_outs] = seq;
+			cfg->speaker_outs++;
+			break;
+		case AC_JACK_HP_OUT:
+			seq = get_defcfg_sequence(def_conf);
+			assoc = get_defcfg_association(def_conf);
+			if (cfg->hp_outs >= ARRAY_SIZE(cfg->hp_pins))
+				continue;
+			cfg->hp_pins[cfg->hp_outs] = nid;
+			sequences_hp[cfg->hp_outs] = (assoc << 4) | seq;
+			cfg->hp_outs++;
+			break;
+		case AC_JACK_MIC_IN: {
+			int preferred, alt;
+			if (loc == AC_JACK_LOC_FRONT) {
+				preferred = AUTO_PIN_FRONT_MIC;
+				alt = AUTO_PIN_MIC;
+			} else {
+				preferred = AUTO_PIN_MIC;
+				alt = AUTO_PIN_FRONT_MIC;
+			}
+			if (!cfg->input_pins[preferred])
+				cfg->input_pins[preferred] = nid;
+			else if (!cfg->input_pins[alt])
+				cfg->input_pins[alt] = nid;
+			break;
+		}
+		case AC_JACK_LINE_IN:
+			if (loc == AC_JACK_LOC_FRONT)
+				cfg->input_pins[AUTO_PIN_FRONT_LINE] = nid;
+			else
+				cfg->input_pins[AUTO_PIN_LINE] = nid;
+			break;
+		case AC_JACK_CD:
+			cfg->input_pins[AUTO_PIN_CD] = nid;
+			break;
+		case AC_JACK_AUX:
+			cfg->input_pins[AUTO_PIN_AUX] = nid;
+			break;
+		case AC_JACK_SPDIF_OUT:
+			cfg->dig_out_pin = nid;
+			break;
+		case AC_JACK_SPDIF_IN:
+			cfg->dig_in_pin = nid;
+			break;
+		}
+	}
+
+	/* FIX-UP:
+	 * If no line-out is defined but multiple HPs are found,
+	 * some of them might be the real line-outs.
+	 */
+	if (!cfg->line_outs && cfg->hp_outs > 1) {
+		int i = 0;
+		while (i < cfg->hp_outs) {
+			/* The real HPs should have the sequence 0x0f */
+			if ((sequences_hp[i] & 0x0f) == 0x0f) {
+				i++;
+				continue;
+			}
+			/* Move it to the line-out table */
+			cfg->line_out_pins[cfg->line_outs] = cfg->hp_pins[i];
+			sequences_line_out[cfg->line_outs] = sequences_hp[i];
+			cfg->line_outs++;
+			cfg->hp_outs--;
+			memmove(cfg->hp_pins + i, cfg->hp_pins + i + 1,
+				sizeof(cfg->hp_pins[0]) * (cfg->hp_outs - i));
+			memmove(sequences_hp + i - 1, sequences_hp + i,
+				sizeof(sequences_hp[0]) * (cfg->hp_outs - i));
+		}
+	}
+
+	/* sort by sequence */
+	sort_pins_by_sequence(cfg->line_out_pins, sequences_line_out,
+			      cfg->line_outs);
+	sort_pins_by_sequence(cfg->speaker_pins, sequences_speaker,
+			      cfg->speaker_outs);
+	sort_pins_by_sequence(cfg->hp_pins, sequences_hp,
+			      cfg->hp_outs);
+	
+	/* if we have only one mic, make it AUTO_PIN_MIC */
+	if (!cfg->input_pins[AUTO_PIN_MIC] &&
+	    cfg->input_pins[AUTO_PIN_FRONT_MIC]) {
+		cfg->input_pins[AUTO_PIN_MIC] =
+			cfg->input_pins[AUTO_PIN_FRONT_MIC];
+		cfg->input_pins[AUTO_PIN_FRONT_MIC] = 0;
+	}
+	/* ditto for line-in */
+	if (!cfg->input_pins[AUTO_PIN_LINE] &&
+	    cfg->input_pins[AUTO_PIN_FRONT_LINE]) {
+		cfg->input_pins[AUTO_PIN_LINE] =
+			cfg->input_pins[AUTO_PIN_FRONT_LINE];
+		cfg->input_pins[AUTO_PIN_FRONT_LINE] = 0;
+	}
+
+	/*
+	 * FIX-UP: if no line-outs are detected, try to use speaker or HP pin
+	 * as a primary output
+	 */
+	if (!cfg->line_outs) {
+		if (cfg->speaker_outs) {
+			cfg->line_outs = cfg->speaker_outs;
+			memcpy(cfg->line_out_pins, cfg->speaker_pins,
+			       sizeof(cfg->speaker_pins));
+			cfg->speaker_outs = 0;
+			memset(cfg->speaker_pins, 0, sizeof(cfg->speaker_pins));
+			cfg->line_out_type = AUTO_PIN_SPEAKER_OUT;
+		} else if (cfg->hp_outs) {
+			cfg->line_outs = cfg->hp_outs;
+			memcpy(cfg->line_out_pins, cfg->hp_pins,
+			       sizeof(cfg->hp_pins));
+			cfg->hp_outs = 0;
+			memset(cfg->hp_pins, 0, sizeof(cfg->hp_pins));
+			cfg->line_out_type = AUTO_PIN_HP_OUT;
+		}
+	}
+
+	/* Reorder the surround channels
+	 * ALSA sequence is front/surr/clfe/side
+	 * HDA sequence is:
+	 *    4-ch: front/surr  =>  OK as it is
+	 *    6-ch: front/clfe/surr
+	 *    8-ch: front/clfe/rear/side|fc
+	 */
+	switch (cfg->line_outs) {
+	case 3:
+	case 4:
+		nid = cfg->line_out_pins[1];
+		cfg->line_out_pins[1] = cfg->line_out_pins[2];
+		cfg->line_out_pins[2] = nid;
+		break;
+	}
+
+	/*
+	 * debug prints of the parsed results
+	 */
+	snd_printd("autoconfig: line_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
+		   cfg->line_outs, cfg->line_out_pins[0], cfg->line_out_pins[1],
+		   cfg->line_out_pins[2], cfg->line_out_pins[3],
+		   cfg->line_out_pins[4]);
+	snd_printd("   speaker_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
+		   cfg->speaker_outs, cfg->speaker_pins[0],
+		   cfg->speaker_pins[1], cfg->speaker_pins[2],
+		   cfg->speaker_pins[3], cfg->speaker_pins[4]);
+	snd_printd("   hp_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
+		   cfg->hp_outs, cfg->hp_pins[0],
+		   cfg->hp_pins[1], cfg->hp_pins[2],
+		   cfg->hp_pins[3], cfg->hp_pins[4]);
+	snd_printd("   mono: mono_out=0x%x\n", cfg->mono_out_pin);
+	snd_printd("   inputs: mic=0x%x, fmic=0x%x, line=0x%x, fline=0x%x,"
+		   " cd=0x%x, aux=0x%x\n",
+		   cfg->input_pins[AUTO_PIN_MIC],
+		   cfg->input_pins[AUTO_PIN_FRONT_MIC],
+		   cfg->input_pins[AUTO_PIN_LINE],
+		   cfg->input_pins[AUTO_PIN_FRONT_LINE],
+		   cfg->input_pins[AUTO_PIN_CD],
+		   cfg->input_pins[AUTO_PIN_AUX]);
+
+	return 0;
+}
+
+/* labels for input pins */
+const char *auto_pin_cfg_labels[AUTO_PIN_LAST] = {
+	"Mic", "Front Mic", "Line", "Front Line", "CD", "Aux"
+};
+
+
+#ifdef CONFIG_PM
+/*
+ * power management
+ */
+
+/**
+ * snd_hda_suspend - suspend the codecs
+ * @bus: the HDA bus
+ * @state: suspsend state
+ *
+ * Returns 0 if successful.
+ */
+int snd_hda_suspend(struct hda_bus *bus, pm_message_t state)
+{
+	struct hda_codec *codec;
+
+	list_for_each_entry(codec, &bus->codec_list, list) {
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+		if (!codec->power_on)
+			continue;
+#endif
+		hda_call_codec_suspend(codec);
+	}
+	return 0;
+}
+
+/**
+ * snd_hda_resume - resume the codecs
+ * @bus: the HDA bus
+ * @state: resume state
+ *
+ * Returns 0 if successful.
+ *
+ * This fucntion is defined only when POWER_SAVE isn't set.
+ * In the power-save mode, the codec is resumed dynamically.
+ */
+int snd_hda_resume(struct hda_bus *bus)
+{
+	struct hda_codec *codec;
+
+	list_for_each_entry(codec, &bus->codec_list, list) {
+		if (snd_hda_codec_needs_resume(codec))
+			hda_call_codec_resume(codec);
+	}
+	return 0;
+}
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+int snd_hda_codecs_inuse(struct hda_bus *bus)
+{
+	struct hda_codec *codec;
+
+	list_for_each_entry(codec, &bus->codec_list, list) {
+		if (snd_hda_codec_needs_resume(codec))
+			return 1;
+	}
+	return 0;
+}
+#endif
+#endif